IEC 60034-7:1972由SCC 发布于 ICS Code(s): 29.160.01。
IEC 60034-7:1972 的最新版本是哪一版?
最新版本是 IEC 60034-7:2020/COR1:2023 。
Gives two systems of classification: an alpha-numeric designation applicable to machines with endshield bearings and only one shaft extension (code I) and an all-numeric designation applicable to a wide range of types of machines (code II) including types covered by code I.
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