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Professional Standard - Non-ferrous Metal, ?? ?? ???

農(nóng)業(yè)農(nóng)村部, ?? ?? ???

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

SCC, ?? ?? ???

PL-PKN, ?? ?? ???

YU-JUS, ?? ?? ???

VE-FONDONORMA, ?? ?? ???

Spanish Association for Standardization (UNE), ?? ?? ???

Danish Standards Foundation, ?? ?? ???

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

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

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

Lithuanian Standards Office , ?? ?? ???

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

European Committee for Standardization (CEN), ?? ?? ???

TR-TSE, ?? ?? ???

BE-NBN, ?? ?? ???

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

國家能源局, ?? ?? ???

Professional Standard - Petroleum, ?? ?? ???

RO-ASRO, ?? ?? ???

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

CZ-CSN, ?? ?? ???

ESDU - Engineering Sciences Data Unit, ?? ?? ???

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

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

GSO, ?? ?? ???

KR-KS, ?? ?? ???





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