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| Patents for A44C 17 - Gems or the like (2,803) |
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| 04/13/1976 | US3950596 Altering the appearance of corundum crystals | | 01/20/1976 | US3933011 Ring with interchangeable setting | | 01/13/1976 | US3931719 Jewelry Component having mounted stones connected by deformable webs |
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