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Cylindrical lapping
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Issue date Feb 7, 2017
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Apple Inc.
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Simon Regis Louis Lancaster-Larocque
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B24 - GRINDING POLISHING
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Roll grinding apparatus
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Patent number 8,075,373
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Issue date Dec 13, 2011
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Hon Hai Precision Industry Co., Ltd.
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Chung-Pei Wang
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B24 - GRINDING POLISHING
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Patent number 1,395,790
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Issue date Nov 1, 1921
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B24 - GRINDING POLISHING
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Patent number 1,367,522
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Issue date Feb 1, 1921
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B24 - GRINDING POLISHING