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3471975
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Patent number 3,471,975
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Issue date Oct 14, 1969
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B24 - GRINDING POLISHING
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3461624
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Patent number 3,461,624
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B24 - GRINDING POLISHING
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3340036
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B24 - GRINDING POLISHING
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3236009
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B24 - GRINDING POLISHING
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3146563
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B24 - GRINDING POLISHING
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3019564
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B24 - GRINDING POLISHING
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3006116
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Patent number 3,006,116
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B24 - GRINDING POLISHING
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2985989
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Patent number 2,985,989
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B24 - GRINDING POLISHING
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2970413
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B24 - GRINDING POLISHING
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B24 - GRINDING POLISHING
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2852791
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B24 - GRINDING POLISHING
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2735238
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B24 - GRINDING POLISHING
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2661581
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B24 - GRINDING POLISHING
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2597182
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B24 - GRINDING POLISHING
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2272729
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B24 - GRINDING POLISHING
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2122466
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B24 - GRINDING POLISHING
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1982641
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Patent number 1,982,641
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B24 - GRINDING POLISHING
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1980403
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Patent number 1,980,403
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B24 - GRINDING POLISHING
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1961441
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Patent number 1,961,441
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B24 - GRINDING POLISHING
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1928385
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Patent number 1,928,385
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B24 - GRINDING POLISHING
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1909902
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Patent number 1,909,902
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B24 - GRINDING POLISHING
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1901491
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Patent number 1,901,491
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B24 - GRINDING POLISHING
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1898012
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Patent number 1,898,012
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B24 - GRINDING POLISHING
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1895908
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Patent number 1,895,908
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B24 - GRINDING POLISHING
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1893985
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Patent number 1,893,985
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B24 - GRINDING POLISHING
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1872422
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Patent number 1,872,422
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B24 - GRINDING POLISHING
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1864822
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Patent number 1,864,822
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B24 - GRINDING POLISHING
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1854394
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Patent number 1,854,394
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B24 - GRINDING POLISHING
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1841724
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B24 - GRINDING POLISHING