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CPC
B23G5/086
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B23
Machine tools
B23G
THREAD CUTTING WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G5/00
Thread-cutting tools Die-heads
Current Industry
B23G5/086
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Patents Grants
last 30 patents
Information
Patent Grant
271652
Patent number
271,652
Issue date
Feb 6, 1883
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR