YD/T 955-1998.Letter - card.1范围YD/T 955规定了邮简的定义,品种规格,技术要求,试验方法,检验规则以及包装、标志和贮存等内容...

行业标准2023.08.03

YD/T 954-1998.Technical requirements and test method of digital stored program c...

行业标准2023.08.03

YD/T 953-1998.General technical specifications of 2xSTM - 1SDH microwave telecom...

行业标准2023.08.03

YD/T 950-1998.Technical requirements and test methods for protection against ove...

行业标准2023.08.03

YD/T 944-2007.Technical Specification and Testing Methods for Surge Protection o...

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YD/T 968-2002.Requirements and methods of measurement of electromagnetic compati...

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YD/T 964-1998.Requirements & test method of 1310nm/1550m wavelength division...

行业标准2023.08.03

YD/T 956-1998.Congratulatory card envelope.1范围YD/T 956规定了贺卡信封的定义,品种规格,技术要求,试验方法,...

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YD/T 998.2-1999.Lithium-ion battery and charger for cellular phones-charger.1范围Y...

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YD/T 999-1999.Multicast adaptation protocot.1范園YD/T 999规定在T.120会议上使用组播服务的协议。本协议与...

行业标准2023.08.03