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ASTM D6946/D6946M-2013e1乳化精制煤集油(车道密封物、成品、基本住宅级)规格Standard Specification for Emulsified Refined Coal-Tar (Driveway Sealer,Ready to Use,Primarily Residential Grade)
ASTM D6946/D6946M-2013e1乳化精制煤集油(车道密封物、成品、基本住宅级)规格Standard Specification for Emulsified Refined Coal-Tar (Driveway Sealer,Ready to Use,Primarily Residential Grade)...
2022-03-14 21:37:17浏览:38
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ASTM F2590-2006(2013)刚性或平座型两个座圈表面的推力滚子轴承规格Standard Specification for Bearing,Roller,Thrust,Two Channeled Race Surface,Rigid or Flat Seat Type
ASTM F2590-2006(2013)刚性或平座型两个座圈表面的推力滚子轴承规格Standard Specification for Bearing,Roller,Thrust,Two Channeled Race Surface,Rigid or Flat Seat Type...
2022-03-14 21:37:08浏览:29
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ASTM F2246-2006(2013)针式滚柱轴承:带滚筒和笼的厚外圈规格Standard Specification for Bearing,Roller,Needle:Thick Outer Ring With Rollers and Cage
ASTM F2246-2006(2013)针式滚柱轴承:带滚筒和笼的厚外圈规格Standard Specification for Bearing,Roller,Needle:Thick Outer Ring With Rollers and Cage...
2022-03-14 21:37:07浏览:46
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ASTM E2772-2013e1环保集会,赛事,商展和会议用居住设施的评定与选择规范Standard Specification for Evaluation and Selection of Accommodations for Environmentally Sustainable Meetings,Events,Trade Shows,and Conferences
ASTM E2772-2013e1环保集会,赛事,商展和会议用居住设施的评定与选择规范Standard Specification for Evaluation and Selection of Accommodations for Environmentally Sustainable Meetings,Events,Trade Shows,and Conferences...
2022-03-14 21:37:06浏览:38
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ASTM D4732-2013冷充填化合物的电信电线和标准规格Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable
ASTM D4732-2013冷充填化合物的电信电线和标准规格Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable...
2022-03-14 21:36:58浏览:55
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ASTM D4731-2013热充填化合物的电信电线和电缆标准规格Standard Specification for Hot-Application Filling Compounds for Telecommunications Wire and Cable
ASTM D4731-2013热充填化合物的电信电线和电缆标准规格Standard Specification for Hot-Application Filling Compounds for Telecommunications Wire and Cable...
2022-03-14 21:36:57浏览:54
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ASTM A65-2007(2013)钢轨道道钉规格Standard Specification for Steel Track Spikes
ASTM A65-2007(2013)钢轨道道钉规格Standard Specification for Steel Track Spikes...
2022-03-14 21:36:53浏览:53
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ASTM F1713-2008(2013)外科植入物用锻制钛-13铌-13锆合金的规格(UNS R58130)Standard Specification for Wrought Titanium-13Niobium-13Zirconium Alloy for Surgical Implant Applications (UNS R58130)
ASTM F1713-2008(2013)外科植入物用锻制钛-13铌-13锆合金的规格(UNS R58130)Standard Specification for Wrought Titanium-13Niobium-13Zirconium Alloy for Surgical Implant Applications (UNS R58130)...
2022-03-14 21:36:33浏览:53
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ASTM F562-2013外科植入物用锻制35钴-35镍-20铬-10钼合金规格(UNS R30035)Standard Specification for Wrought 35Cobalt-35Nickel-20Chromium-10Molybdenum Alloy for Surgical Implant Applications (UNS R30035)
ASTM F562-2013外科植入物用锻制35钴-35镍-20铬-10钼合金规格(UNS R30035)Standard Specification for Wrought 35Cobalt-35Nickel-20Chromium-10Molybdenum Alloy for Surgical Implant Applications (UNS R30035)...
2022-03-14 21:36:32浏览:179
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ASTM D5847-2002(2012)水分析试验方法用质量控制规范的编写规程Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D5847-2002(2012)水分析试验方法用质量控制规范的编写规程Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis...
2022-03-14 21:36:21浏览:71
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ASTM F2726-2008气管插管和其它气道设备用固定装置的规格Standard specification for fixation devices for tracheal tubes and other airway devices
ASTM F2726-2008气管插管和其它气道设备用固定装置的规格Standard specification for fixation devices for tracheal tubes and other airway devices...
2022-03-14 14:30:34浏览:47
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乙烯、丙烯产品及方法标准的研究进展
概述了乙烯、丙烯的生产规模、生产工艺的发展情况和工业用乙烯、丙烯的标准技术现状以及存在的主要问题;介绍了2014年新发布的乙烯、丙烯国家和行业标准的研究进展,包括3项产品标准、4项采样和实验方法标准的研究背景及主要技术内容,特别介绍了新版和旧版标准的重要变化以及新版标准在煤化工工艺和炼厂丙烯等方面所做出的技术调整;探讨了乙烯、丙烯标准未来的研究重点,并提出了加强杂质控制和提升分析技术水平的建议....
2020-09-29 10:54:18浏览:41
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