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Moulds with one or more pivotable parts
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Industry
CPC
B28B21/84
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B28
Stoneworking
B28B
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL
B28B21/00
Methods or machines specially adapted for the production of tubular articles
Current Industry
B28B21/84
Moulds with one or more pivotable parts
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Patents Grants
last 30 patents
Information
Patent Grant
1430562
Patent number
1,430,562
Issue date
Oct 3, 1922
B28 - WORKING CEMENT, CLAY, OR STONE
Patents Applications
last 30 patents
CPC
B28B21/84
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