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NB/T 47019.2-2021 锅炉、热交换器用管订货技术条件 第2部分:规定室温性能的非合金钢和合金钢 Purchase technical specification for boiler & heat exchanger tubes- Part 2: Non-alloy and alloy steel with room temperature properties
本文件规定了非合金钢和合金钢无缝钢管的一般要求,尺寸和外形,技术要求,检验规则,运输包装、标志和质量证明书等订货技术要求。<br />本文件适用于规定室温性能要求的锅炉、热交换器用非合金钢和合金钢无缝钢管的订货。...
2024-03-06 14:45:01浏览:5
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ISO 14064-3-2019 温室效应气体--第3部分:温室效应气体主张及检证用交易规范 Greenhouse gases — Part 3: Specification with guidance for the verification and validation of greenhouse gas statements
This document specifies principles and requirements and provides guidance for verifying and validating <br />greenhouse gas (GHG) statements. <br />It is applicable to organization, project and product GHG statements.<br />The ISO 14060 family of standards is GHG programme neutral. If a GHG programme is applicable, <br />requirements of that GHG programme are additional to the requirements of the ISO 14060 family of <br />standards....
2024-03-06 10:15:01浏览:7
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JJF (纺织) 039-2020 棉纤维偏光成熟度仪校准规范 Calibration Specification for Polarization Maturity Testers of Cotton Fiber
本规范适用于棉纤维偏光成熟度仪(以下简称“成熟度仪”)的校准,其他类似仪器可参照本规范校准。<br /> ...
2024-03-06 09:15:01浏览:5
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JB/T 8930-2015 冲压工艺质量控制规范 Specification of quality control for stamping process
本标准规定了对冲压工艺进行全过程质量控制的通用原则和要求。
本标准适用于冲压件生产的冲压工艺质量控制。...2024-03-06 07:00:01浏览:5
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SY/T 7493-2020 浅海油井压裂设计、施工规范 Fracturing design and treatment specification for oil well in shallow water
本标准规定了浅海油井压裂设计、施工、压后返排、井控、健康安全环保和应急预案要求。<br />本标准适用于浅海油井非动力定位船舶压裂作业的油井压裂设计和施工。...
2024-03-06 05:45:01浏览:5
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NY/T 2957-2016 畜禽批发市场兽医卫生规范 Animal health specifications for livestock & poultry wholesale market
本标准规定了畜禽批发市场的布局、设施设备、清洗消毒、应急处置等所应遵循的动物卫生要求。<br />本标准适用于专营或兼营猪、牛、羊、马属动物等家畜和鸡、鸭、鹅、鸽等家禽的批发市场。...
2024-03-06 01:45:01浏览:4
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YB/T 4268-2020 矿热炉低压无功补偿技术规范 Technical specification for low voltage reactive power compensation of submerged arc furnace
本标准规定了矿热炉低压无功补偿的术语和定义、工作原理、系统组成、功能和设计要求、技术要求、主电路元器件的选择、使用条件、安全环保、测试与检验规则、操作与维护。<br />本标准适用于矿热炉。其他电炉可参考使用。...
2024-03-06 01:30:01浏览:3
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SJ 21487-2018 电磁屏蔽热缩管规范 Specification for electromagnetic protection shrinkable tube
本规范规定了电磁屏蔽热缩管的要求、质量保证规定、交货准备和说明事项。<br />本规范适用于军用电磁屏蔽热缩管的研制、生产和验收。...
2024-03-05 21:15:02浏览:9
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JJF (建材) 115-2018 汽车安全玻璃光畸变仪校准规范 Calibration Specification for Optical Distortion Instrument for Safety Glazing Materials for Road Vehicles
本校准规范适用于符合GB/T5137.2汽车安全玻璃光畸变仪的校准。<br /> ...
2024-03-05 16:30:01浏览:5
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JB/T 13641.3-2019 多功能工具机 第3部分:技术条件 Multi-purpose machine--Part 3:Specifications
JB/T 13641的本部分规定了多功能工具机制造、检验与验收的要求。<br />本部分适用于床身上最大回转直径至420mm、最大工件长度至800mm,最大钻孔直径至22mm。工作台面宽度至160mm的多功能工具机(以下简称机床)。...
2024-03-05 13:30:01浏览:7
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ISO 1711-1-2019 螺钉和螺母用装配工具--技术规范--第1部分:手动扳手和套筒 Assembly tools for screws and nuts -- Technical specifications -- Part 1: Hand-operated wrenches and sockets
This document specifies minimum values for Rockwell hardness and torsional strength for hand-<br />operated wrenches and sockets.<br />It covers the following three series of torsion torques:<br />— Series A: usual box wrenches and socket wrenches;<br />EXAMPLE 1 Reference nos. 1 1 02 01 0; 1 1 02 02 0 and 1 1 02 02 1; 1 1 02 03 0; 1 1 02 04 0; 1 1 02 05 0; <br />1 1 02 06 0; 1 1 02 09 0; 1 1 02 10 0; 1 1 02 11 0; 1 1 02 12 0; 1 1 02 13 0 and 1 1 02 13 1; 1 1 02 14 0; <br />1 1 02 15 0; 1 1 08 01 0; 1 1 08 02 0.<br />— Series C: open end wrenches;<br />EXAMPLE 2 Reference nos. 1 1 01 01 0; 1 1 01 01 1; 1 1 01 02 0; 1 1 01 03 0; 1 1 01 04 0.<br />— Series E: hand-operated square drive sockets.<br />EXAMPLE Reference nos. 2 1 02 01 0 and 2 1 02 01 1.<br />NOTE The wrenches and sockets mentioned above are listed under their respective reference numbers in <br />ISO 1703....
2024-03-05 09:15:01浏览:8
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