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Grinding machine
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Patent number 4,516,359
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Issue date May 14, 1985
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S.A. Automobiles Citroen
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Pierre A. Largeteau
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B24 - GRINDING POLISHING
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Lapping tools
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Patent number 4,424,648
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Issue date Jan 10, 1984
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S.A. Automobiles Citroen
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Pierre A. Largeteau
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B24 - GRINDING POLISHING
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Grinding heads
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Patent number 4,301,624
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Issue date Nov 24, 1981
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S.A. Automobiles Citroen
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Pierre A. Largeteau
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B24 - GRINDING POLISHING
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Lapping tools
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Patent number 4,223,485
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Issue date Sep 23, 1980
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S.A. Automobiles Citroen
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Pierre A. Largeteau
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B24 - GRINDING POLISHING