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DE?? ???
?? 16??? ?? ???? ??? ??? ??.
?? ???? ?? ???? ??? ??? ??? ????: ??, ???, ???, ??? ????, ?? ?? ??, ???? ??, ??, ???, ?? ??.
German Institute for Standardization, ?? ???
American Society for Testing and Materials (ASTM), ?? ???
American National Standards Institute (ANSI), ?? ???
KE-KEBS, ?? ???
SCC, ?? ???
國(guó)家能源局, ?? ???
AT-ON, ?? ???
Professional Standard - Machinery, ?? ???