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311150
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Information
Patent Grant
311150
References
Source
Patent Number
311,150
Date Filed
Not available
Date Issued
Tuesday, January 20, 1885
140 years ago
CPC
B21D35/00 - Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
Y10T29/203 - by use of reciprocating cutter or die
US Classifications
029 - Metal working
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