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760558
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Patent Grant
760558
References
Source
Patent Number
760,558
Date Filed
Not available
Date Issued
Tuesday, May 24, 1904
120 years ago
CPC
G04B37/0008 - for pocket watches and wrist watches
G04B37/087 - Protection of wrist or pocket watch cases against dust
US Classifications
368 - Horology: time measuring systems or devices
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