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DE?? ??? ???
?? 91??? ?? ??? ???? ??? ??? ??.
?? ???? ?? ??? ???? ??? ??? ??? ????: ?? ?? ???, ??, ?? ? ??, ?? ?? ??, ?? ?? ??.
GM Europe, ?? ??? ???
Korean Agency for Technology and Standards (KATS), ?? ??? ???
Danish Standards Foundation, ?? ??? ???
International Organization for Standardization (ISO), ?? ??? ???
British Standards Institution (BSI), ?? ??? ???
Japanese Industrial Standards Committee (JISC), ?? ??? ???
Association Francaise de Normalisation, ?? ??? ???
GSO, ?? ??? ???
RO-ASRO, ?? ??? ???
VN-TCVN, ?? ??? ???
NO-SN, ?? ??? ???
SCC, ?? ??? ???
Chongqing Provincial Standard of the People's Republic of China, ?? ??? ???
AR-IRAM, ?? ??? ???
European Committee for Standardization (CEN), ?? ??? ???
Group Standards of the People's Republic of China, ?? ??? ???
Defense Logistics Agency, ?? ??? ???
Manufacturers Standardization Society of the Valve and Fitting Industry (MSS), ?? ??? ???
BE-NBN, ?? ??? ???
German Institute for Standardization, ?? ??? ???
ESDU - Engineering Sciences Data Unit, ?? ??? ???
SE-SIS, ?? ??? ???
U.S. Military Regulations and Norms, ?? ??? ???
IL-SII, ?? ??? ???
KR-KS, ?? ??? ???
Professional Standard - Aviation, ?? ??? ???
MSS - Manufacturers Standardization Society of the Valve and Fittings Industry., ?? ??? ???
United States Navy, ?? ??? ???
Lithuanian Standards Office , ?? ??? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ???
PL-PKN, ?? ??? ???
API - American Petroleum Institute, ?? ??? ???
Spanish Association for Standardization (UNE), ?? ??? ???