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1792581
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Information
Patent Grant
1792581
References
Source
Patent Number
1,792,581
Date Filed
Not available
Date Issued
Tuesday, February 17, 1931
93 years ago
CPC
B22D7/08 - Divided ingot moulds
Y10T29/49249 - Piston making
Y10T29/49975 - Removing defects
US Classifications
029 - Metal working
249 - Static molds
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