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487194
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Information
Patent Grant
487194
References
Source
Patent Number
487,194
Date Filed
Not available
Date Issued
Tuesday, November 29, 1892
132 years ago
CPC
F16C33/4629 - made from metal
F16C2220/62 - by turning, boring, drilling
Y10T29/496 - Multiperforated metal article making
Y10T29/49691 - Cage making
US Classifications
029 - Metal working
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