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

Professional Standard - Petrochemical Industry, ??? ?? ???????

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

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

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

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

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, ??? ?? ???????

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

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

Professional Standard - Commodity Inspection, ??? ?? ???????

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

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

Professional Standard - Tobacco, ??? ?? ???????

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

TR-TSE, ??? ?? ???????

國家能源局, ??? ?? ???????

Professional Standard - Electricity, ??? ?? ???????

國家市場監督管理總局、中國國家標準化管理委員會, ??? ?? ???????





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