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DEPVC ??
?? 15??? PVC ??? ??? ??? ??.
?? ???? PVC ??? ??? ??? ??? ????: ????, ????, ?? ??, ?? ? ???? ??, ?? ????.
Group Standards of the People's Republic of China, PVC ??
Korean Agency for Technology and Standards (KATS), PVC ??
SCC, PVC ??
Standard Association of Australia (SAA), PVC ??
Professional Standard - Construction Industry, PVC ??
IN-BIS, PVC ??