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JB/T 12665-2016 真空绝热低温管 Vacuum insulated cryogenic pipe
2024-02-02 23:00:01
JIS C5410-1-2021 射频连接器--第1部分:通用规范--通用要求和测量方法 Radio frequency connectors--Part 1: Generic specification--General requirements and measuring methods
2024-01-13 07:24:02
HG/T 3124-2020 焊接金属波纹管釜用机械密封技术条件 Specifications of welded metal-bellows mechanical seal for stirred vessel
2024-02-23 16:21:01
14.
SY/T 5037-2023 普通流体输送管道用埋弧焊钢管
[30%]
SY/T 5037-2023 普通流体输送管道用埋弧焊钢管
2024-04-02 22:39:46
15.
GB/T 29712-2023 焊缝无损检测 超声检测 验收等级
[30%]
GB/T 29712-2023 焊缝无损检测 超声检测 验收等级
2024-04-16 22:22:37
KS C IEC 60684-3-271-2017 Flexible insulating sleeving — Part 3: Specifications for individual types of sleeving — Sheet 271: Heat-shrinkable elastomer sleeving, flame retarded, fluid resistant, shrink ratio 2：1
2024-01-04 16:00:01
SAE AMS3330C-2017 (R) Elastomer:Fluorosilicone (Fvmq) Rubber Fuel And Oil Resistant 45 – 55 For Products In Fuel Systems/Lubricating Oils
2024-02-01 01:15:02
SJ 2863-1988 电子元器件详细规范 功率型固定电阻器 RXG6型线绕固定电阻器 评定水平E
2024-01-18 23:48:01
19.
JY 137-1982 空气压缩引火仪(试行)
[28%]
JY 137-1982 空气压缩引火仪(试行)
2024-01-18 06:48:01
JJF 1676-2017 无源医用冷藏箱温度参数校准规范 Calibration Specification for Temperature Parameter of Passive Medical Cold Boxes
2024-01-13 03:24:01