B21H 5/02
Making gear wheels {, racks, spline shafts or worms} with cylindrical outline {, e.g. by means of die rolls }
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Edits on 16 Mar, 2022
Golden AI
Golden AI
Golden AI
Edits on 9 Mar, 2022
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B21H 5/02
Making gear wheels {, racks, spline shafts or worms} with cylindrical outline {, e.g. by means of die rolls }
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