ISO-54 › Historical Revision Information
Cylindrical Gears for General Engineering & for Heavy Engineering - Modules
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Specifies the values of normal modules for straight and helical gears for general engineering and for heavy engineering. Replaces the first edition.
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Document Number
ISO 54:1977
Revision Level
1ST EDITION
Status
Superseded
Publication Date
May 1, 1977
Committee Number
ISO TC 60