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

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

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

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

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

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

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

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

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

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

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

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

ES-UNE, ???????????

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

ES-AENOR, ???????????


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