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JIS C6122-4-3-2018 光纤放大器--试验方法--第4-3部分:瞬态参数--输出功率控制中的单路光放大器 Optical amplifiers - Test methods - Part 4-3: Power transient parameters - Single channel optical amplifiers in output power control
2024-01-09 12:24:02
GB/T 18591-2001焊接 预热温度、道间温度及预热维持温度的测量指南Welding--Guidance on the masurement of preheating temperature,interpass temperature and preheat maintenance temperature
2022-06-24 19:51:01
GB/T 7397.5-2000非广播磁带录像机测量方法 第5部分:宽带录像机-包括具有Y/C视频连接器的宽带录像机(PAL/NTSC)Non-broadcast video tape recorders--Methods of measurement--Part 5:High-band video tape recorders including those equipped with Y/C video connectors (PAL/NTSC)
2022-11-01 15:36:01
ASTM C1863-2018 用直接加压法在环境温度下测定连续纤维增强先进陶瓷复合材料管试样环向拉伸强度的方法 Standard Test Method for Hoop Tensile Strength of Continuous Fiber-Reinforced Advanced Ceramic Composite Tubular Test Specimens at Ambient Temperature Using Direct Pressurization
2023-09-22 16:36:01
IEC 60331-2-2018 在火焰条件下电缆的线路完整性试验--第2部分:额定电压0.6/1.0kV及以下、总直径不大于20mm电缆在温度不低于830℃冲击火焰下的试验方法 Tests for electric cables under fire conditions – Circuit integrity – Part 2: Test method for fire with shock at a temperature of at least 830 °C for
2023-07-06 14:12:01
GB/T 18123-2000音频、视频及视听系统 视频系统Y/C连接器的应用和优选电配接值Audio,video and audiovisual systems--Application of Y/C connector and preferred electrical matching values for video systems
2022-06-09 10:22:08
BS EN 4165-001-2015 航空航天系列 电气、矩形和模块化连接器 连续175°C操作温度 技术规范 Aerospace series. Connectors, electrical, rectangular, modular. Operating temperature 175 $0DC continuous. Technical specification
2023-06-20 23:48:01
BS EN 4644-024-2015 航空航天系列 矩形模块和矩形插件的电连接器和光连接器 连续工作温度175 ℃(或125 ℃) 容器尺寸2 A、C和E级 产品标准 Aerospace series. Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 $0DC (or 125 $0DC) continuous. Receptacle siz
2023-05-04 05:48:01
BS EN 4644-142-2016 航空航天系列 工作温度持续为175℃或125 ℃的矩形模块化电连接器 尺寸4插座用于机架和面板应用,C级和D级 产品标准 Aerospace series. Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 $0DC (or 125 $0DC) continuous. Size 4 receptacle fo
2023-08-03 12:00:02
SJ/T 11682-2017C/C++语言源代码缺陷控制与测试规范
2022-06-06 09:06:46