for grooving rollers

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Industry

CPC
B28D3/04

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28DWORKING STONE OR STONE-LIKE MATERIALS B28D3/00Dressing mill discs or rollers

Current Industry

B28D3/04for grooving rollers

Industries

Patents Grantslast 30 patents

Information Patent Grant
1488235
- Patent number 1,488,235
- Issue date Mar 25, 1924
- B28 - WORKING CEMENT, CLAY, OR STONE