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Classification
B21H
ClassID:
39039
⎘
B21H - CPC Classification
Classification description:
Sub-classes:
B21H1/00 »
Making articles shaped as bodies of revolution
12
B21H3/00 »
Making helical bodies or bodies having parts of helical shape
3
B21H5/00 »
Making gear wheels, {racks, spline shafts or worms}
7
B21H7/00 »
Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
29
B21H8/00 »
Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects {e.g. checkered sheets}
36
B21H9/02 »
for screw-rolling machines
9