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DE?? ???
?? 23??? ?? ???? ??? ??? ??.
?? ???? ?? ???? ??? ??? ??? ????: ?? ?? ? ??, ?? ? ?? ??, ?? ??? ? ??? ??.
Military Standards (MIL-STD), ?? ???
Professional Standard - Light Industry, ?? ???
Korean Agency for Technology and Standards (KATS), ?? ???
British Standards Institution (BSI), ?? ???
Association Francaise de Normalisation, ?? ???
YU-JUS, ?? ???
Danish Standards Foundation, ?? ???
German Institute for Standardization, ?? ???
International Organization for Standardization (ISO), ?? ???
European Committee for Standardization (CEN), ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ???
Professional Standard - Building Materials, ?? ???