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DE???? ???
?? 6??? ???? ???? ??? ??? ??.
?? ???? ???? ???? ??? ??? ??? ????: ?? ? ?? ??, ?? ??.
Professional Standard - Machinery, ???? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ???
國(guó)家市場(chǎng)監(jiān)督管理總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), ???? ???
National Metrological Verification Regulations of the People's Republic of China, ???? ???
工業(yè)和信息化部, ???? ???