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1939734
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Patent Grant
1939734
References
Source
Patent Number
1,939,734
Date Filed
Not available
Date Issued
Tuesday, December 19, 1933
90 years ago
CPC
B21L11/14 - making chain links with inserted or integrally-formed studs
US Classifications
059 - Chain, staple, and horseshoe making
219 - Electric heating
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