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2966767
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Patent Grant
2966767
References
Source
Patent Number
2,966,767
Date Filed
Not available
Date Issued
Tuesday, January 3, 1961
63 years ago
CPC
B24B13/005 - Blocking means, chucks or the like Alignment devices
B24B13/0012 - for multifocal lenses
US Classifications
451 - Abrading
351 - Optics: eye examining, vision testing and correcting
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