NBN 651-1965
Standard gear module and diameter flank angle of general mechanics cylindrical gears
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NBN 651-1965
Standard No.
NBN 651-1965
Release Date
1965
Published By
BE-NBN
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NBN 651-1965
NBN 651-1965 history
1965
NBN 651-1965
Standard gear module and diameter flank angle of general mechanics cylindrical gears
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