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1221018
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Information
Patent Grant
1221018
References
Source
Patent Number
1,221,018
Date Filed
Not available
Date Issued
Tuesday, April 3, 1917
108 years ago
CPC
F16N7/20 - with one or more members moving around the shaft to be lubricated
US Classifications
384 - Bearings
198 - Conveyors: power-driven
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