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DE?? X? ???
?? 27??? ?? X? ???? ??? ??? ??.
?? ???? ?? X? ???? ??? ??? ??? ????: ?? ?? ??, ????, ?? ? ?? ??, ?? ?? ???, ??? ??, ???, ???, ???, ?? ? ?? ??.
GSO, ?? X? ???
British Standards Institution (BSI), ?? X? ???
International Organization for Standardization (ISO), ?? X? ???
SCC, ?? X? ???
未注明發(fā)布機構, ?? X? ???
RU-GOST R, ?? X? ???
Group Standards of the People's Republic of China, ?? X? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? X? ???
Professional Standard - Machinery, ?? X? ???