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DE??(??) ?? ?? ??
?? 37??? ??(??) ?? ?? ??? ??? ??? ??.
?? ???? ??(??) ?? ?? ??? ??? ??? ??? ????: ??????, ?? ? ?? ?? ??, ??????, ?? ??, ?? ??, ????, ????, ?? ??, ?? ??, ?? ??, ?? ??, ?? ?? ??, ?? ??, ??, ?? ?? ??.
Beijing Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Professional Standard - Urban Construction, ??(??) ?? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??(??) ?? ?? ??
Jiangsu Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Anhui Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Hebei Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Group Standards of the People's Republic of China, ??(??) ?? ?? ??
European Committee for Standardization (CEN), ??(??) ?? ?? ??
German Institute for Standardization, ??(??) ?? ?? ??
Sichuan Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Heilongjiang Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Zhejiang Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Tianjin Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
SCC, ??(??) ?? ?? ??
British Standards Institution (BSI), ??(??) ?? ?? ??
Shanghai Provincial Standard of the People's Republic of China, ??(??) ?? ?? ??
Association Francaise de Normalisation, ??(??) ?? ?? ??