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DE?? ???
?? 13??? ?? ???? ??? ??? ??.
?? ???? ?? ???? ??? ??? ??? ????: ???, ??? ?? ? ?? ??.
United States Navy, ?? ???
Military Standard of the People's Republic of China-General Armament Department, ?? ???
IN-BIS, ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ???
Professional Standard - Energy, ?? ???
Canadian General Standards Board （CGSB), ?? ???
Professional Standard - Petrochemical Industry, ?? ???
GM Europe, ?? ???