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1643606
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Information
Patent Grant
1643606
References
Source
Patent Number
1,643,606
Date Filed
Not available
Date Issued
Tuesday, September 27, 1927
96 years ago
CPC
H01T21/04 - Cleaning
Y10T29/4594 - Hand tool
US Classifications
015 - Brushing, scrubbing, and general cleaning
029 - Metal working
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