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DE???? ??
?? 16??? ???? ??? ??? ??? ??.
?? ???? ???? ??? ??? ??? ??? ????: ???, ?? ? ??, ??? ??, ???, ???, ???, ??? ? ???.
German Institute for Standardization, ???? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ??
Professional Standard - Recommended Standards for Engineering Construction, ???? ??
Professional Standard - Electron, ???? ??
Professional Standard - Automobile, ???? ??
Professional Standard - Machinery, ???? ??
Group Standards of the People's Republic of China, ???? ??
American National Standards Institute (ANSI), ???? ??
Electronic Components, Assemblies and Materials Association, ???? ??
Professional Standard - Electricity, ???? ??