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GB/T 15972.44-2017
光纤试验方法规范 第44部分:传输特性和光学特性的测量方法和试验程序 截止波长
Specifications for optical fibre test methods—Part 44: Measurement methods and test procedures for transmission and optical characteristics—Cut-off wavelength
GB/T 20689-2006
Rubber hoses and hose assemblies for dispensing liquefied petroleum gases(LPGs) - Specification
GB/T 34080.1-2017
Security specifications of electronic government common platform based on cloud computing—Part 1: General requirements
GB/T 30428.7-2017
Information system for digitized supervision and management of city—Part 7:Supervision imformation collection
GB/T 29618.1-2017
Field device tool (FDT) interface specification—Part 1: Overview and guidance





