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CPC
A01D3/08

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Parent Industries

AHUMAN NECESSITIES A01Agriculture A01DHARVESTING MOWING A01D3/00Non-abrasive sharpening devices for scythes, sickles or the like

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A01D3/08Details

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Patents Grantslast 30 patents

Information Patent Grant
1878439
- Patent number 1,878,439
- Issue date Sep 20, 1932
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS