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?? 4??? ???????????? ??? ??? ??.

?? ???? ???????????? ??? ??? ??? ????: ???? ?? ?? ? ???, ??? ??.

Hebei Provincial Standard of the People's Republic of China, ???????????

• DB13/T 444-2000 ? ?? ? ?? ???? ?????????? ? ??? ??? ?? ?? ??????? ??

Society of Automotive Engineers (SAE), ???????????

• SAE AS22759/191-2010 ?? ?? PTFE/????? ?? ??

Defense Logistics Agency, ???????????

• DLA A-A-59602 VALID NOTICE 1-2006 ?????, ???????????? ? ?????? ??? ??? ?? ???

GM Europe, ???????????

• GME QK 001342-2010 PTFE? ??? ????? 46(??/???) 1?

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