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DE?? ?? ???
?? 33??? ?? ?? ???? ??? ??? ??.
?? ???? ?? ?? ???? ??? ??? ??? ????: ?????, ??? ??, ?? ??, ?? ?? ??, ?? ? ?? ???, ???, ?? ????? ??, ?? ???, ?? ??, ?? ?? ???, ?? ? ???.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ?? ???
Hebei Provincial Standard of the People's Republic of China, ?? ?? ???
Professional Standard - Electron, ?? ?? ???
Korean Agency for Technology and Standards (KATS), ?? ?? ???
Professional Standard - Energy, ?? ?? ???
Military Standard of the People's Republic of China-General Armament Department, ?? ?? ???
工業和信息化部, ?? ?? ???