Moulds with one or more pivotable parts

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Industry

CPC
B28B21/84

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL B28B21/00Methods or machines specially adapted for the production of tubular articles

Current Industry

B28B21/84Moulds with one or more pivotable parts

Industries

Patents Grantslast 30 patents

Information Patent Grant
1430562
- Patent number 1,430,562
- Issue date Oct 3, 1922
- B28 - WORKING CEMENT, CLAY, OR STONE