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SE-SIS, ??? ????? ???? ? ???? ??? ??????

GSO, ??? ????? ???? ? ???? ??? ??????

AENOR, ??? ????? ???? ? ???? ??? ??????

Korean Agency for Technology and Standards (KATS), ??? ????? ???? ? ???? ??? ??????

Group Standards of the People's Republic of China, ??? ????? ???? ? ???? ??? ??????

SCC, ??? ????? ???? ? ???? ??? ??????

ZA-SANS, ??? ????? ???? ? ???? ??? ??????

KR-KS, ??? ????? ???? ? ???? ??? ??????

International Organization for Standardization (ISO), ??? ????? ???? ? ???? ??? ??????

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ????? ???? ? ???? ??? ??????

中華人民共和國環境保護部, ??? ????? ???? ? ???? ??? ??????

YU-JUS, ??? ????? ???? ? ???? ??? ??????

American Society for Testing and Materials (ASTM), ??? ????? ???? ? ???? ??? ??????

  • ASTM E372-21 EDTA ??? ?? ????? ???? ? ?? ? ???? ??? ?? ?? ??? ??
  • ASTM E372-13 ????????????? ??? ?? ??????? ??? ?? ? ???? ??? ?? ?? ??? ??

中華人民共和國國家質量監督檢驗檢疫總局、中國國家標準化管理委員會, ??? ????? ???? ? ???? ??? ??????

Japanese Industrial Standards Committee (JISC), ??? ????? ???? ? ???? ??? ??????

PL-PKN, ??? ????? ???? ? ???? ??? ??????

HU-MSZT, ??? ????? ???? ? ???? ??? ??????

CZ-CSN, ??? ????? ???? ? ???? ??? ??????

Lithuanian Standards Office , ??? ????? ???? ? ???? ??? ??????

FI-SFS, ??? ????? ???? ? ???? ??? ??????

VN-TCVN, ??? ????? ???? ? ???? ??? ??????

Association Francaise de Normalisation, ??? ????? ???? ? ???? ??? ??????

AT-ON, ??? ????? ???? ? ???? ??? ??????

Professional Standard - Agriculture, ??? ????? ???? ? ???? ??? ??????

German Institute for Standardization, ??? ????? ???? ? ???? ??? ??????

Professional Standard - Ferrous Metallurgy, ??? ????? ???? ? ???? ??? ??????

BE-NBN, ??? ????? ???? ? ???? ??? ??????

工業和信息化部, ??? ????? ???? ? ???? ??? ??????

RU-GOST R, ??? ????? ???? ? ???? ??? ??????

Liaoning Provincial Standard of the People's Republic of China, ??? ????? ???? ? ???? ??? ??????

BELST, ??? ????? ???? ? ???? ??? ??????

British Standards Institution (BSI), ??? ????? ???? ? ???? ??? ??????

Danish Standards Foundation, ??? ????? ???? ? ???? ??? ??????

CU-NC, ??? ????? ???? ? ???? ??? ??????

RO-ASRO, ??? ????? ???? ? ???? ??? ??????


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