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DE?????? ???????
?? 49??? ?????? ???????? ??? ??? ??.
?? ???? ?????? ???????? ??? ??? ??? ????: ??(?? ? ??), ?? ? ?? ??, ?? ??, ???, ??? ? ???, ?? ???, ??, ?? ??, ?? ??, ?? ?? ???, ????, ????, ?? ?? ??.
Group Standards of the People's Republic of China, ?????? ???????
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?????? ???????
Professional Standard - Machinery, ?????? ???????
Professional Standard - Commodity Inspection, ?????? ???????
UNKNOWN, ?????? ???????
Shandong Provincial Standard of the People's Republic of China, ?????? ???????
- DB37/T 4078-2020 ?? ???????-?? ?? ??? ???/?? ?? ???? ???? ?? ? ??? ?? ???? ????? ???????.
- DB37/T 4434-2021 ?? ? 57? ?? ???? ???? ?? ?? ??? ?? ???????-?? ?? ??? ??? ?? ?? ??
RU-GOST R, ?????? ???????
Association Francaise de Normalisation, ?????? ???????
Professional Standard - Public Safety Standards, ?????? ???????
- GA/T 1915-2021 ???? ?? ?? ??????? ? ?? ???????-??????? ????? ?? ??? ???
- GA/T 2032-2023 ???? ???? ?????????? ?? ??? ??? ?? ??????? ? ?? ???????-?????
- GA/T 208-2019 ???? ??? ???? ?? ??? ??? ?????? ?? ??????? ? ?????? ?? ???????-?????
American Society for Testing and Materials (ASTM), ?????? ???????
Professional Standard - Electron, ?????? ???????
Professional Standard - Ferrous Metallurgy, ?????? ???????
CZ-CSN, ?????? ???????
Professional Standard - Agriculture, ?????? ???????
Yunnan Provincial Standard of the People's Republic of China, ?????? ???????
VN-TCVN, ?????? ???????
PL-PKN, ?????? ???????