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1833201
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Information
Patent Grant
1833201
References
Source
Patent Number
1,833,201
Date Filed
Not available
Date Issued
Tuesday, November 24, 1931
92 years ago
CPC
B21K1/32 - discs
B21H1/04 - with rim
Y10T29/49483 - Railway or trolley wheel making
US Classifications
029 - Metal working
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