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GB/T 37751.1-2019
家用和类似用途的剩余电流动作断路器 第1部分:剩余电流电器标准的独立模块和单元模块概述
Residual current operated circuit-breakers for household and similar use—Part 1: Outline of blocks and modules for residual current devices standard
GB/T 37400.11-2019
Heavy mechanical general technical specification—Part 11:Piping
GB/T 37400.16-2019
Heavy mechanical general technical specification—Part 16:Hydraulic system
GB/T 37400.6-2019
Heavy mechanical general technical specification—Part 6:Steel castings
GB/T 37400.14-2019
Heavy mechanical general technical specification—Part 14: Nondestructive test of steel castings
GB/T 24959-2019
Refrigerated light hydrocarbon fluids—General requirements for temperature measurement system in cargo tanks of LNG carrier
GB/T 37563-2019
Safety requirements for pressurized water electrolysis system for hydrogen production