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DE?? ??
?? 51??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ??? ?? ??, ?? ? ?? ??, ???, ???, ???, ??, ??, ?? ? ?? ??, ????? ???.
SE-SIS, ?? ??
International Electrotechnical Commission (IEC), ?? ??
European Committee for Electrotechnical Standardization(CENELEC), ?? ??
Society of Automotive Engineers (SAE), ?? ??
Professional Standard - Machinery, ?? ??
British Standards Institution (BSI), ?? ??
Association for Electrical, Electronic & Information Technologies?(VDE), ?? ??
CU-NC, ?? ??
Comitato Elettrotecnico Italiano, ?? ??
Swedish Institute for Standards, ?? ??
Danish Standards Foundation, ?? ??
機械工業(yè)部, ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
National Metrological Technical Specifications of the People's Republic of China, ?? ??
Military Standards (MIL-STD), ?? ??
National Metrological Verification Regulations of the People's Republic of China, ?? ??
German Institute for Standardization, ?? ??