spades shovels

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CPC
B21H7/02

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING B21H7/00Making articles not provided for in the preceding groups

Current Industry

B21H7/02spades shovels

Industries

Patents Grantslast 30 patents

Information Patent Grant
1360892
- Patent number 1,360,892
- Issue date Nov 30, 1920
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
598457
- Patent number 598,457
- Issue date Feb 1, 1898
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...