Threads having a stepped profile

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CPC
B23G2210/41

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BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23GTHREAD CUTTING WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH B23G2210/00Details of threads produced

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B23G2210/41Threads having a stepped profile

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Patents Grantslast 30 patents

Information Patent Grant
84411
- Patent number 84,411
- Issue date Nov 24, 1868
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR