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Tap holder
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Patent number 4,810,138
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Issue date Mar 7, 1989
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Kuroda Seiko Company Limited
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Motonori Kobara
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3152424
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Patent number 3,152,424
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Issue date Oct 13, 1964
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B24 - GRINDING POLISHING
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3037406
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Patent number 3,037,406
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Issue date Jun 5, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2532682
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Patent number 2,532,682
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Issue date Dec 5, 1950
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B24 - GRINDING POLISHING
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2464390
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Patent number 2,464,390
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Issue date Mar 15, 1949
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E21 - EARTH DRILLING MINING
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2352508
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Patent number 2,352,508
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Issue date Jun 27, 1944
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2267506
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Patent number 2,267,506
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Issue date Dec 23, 1941
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2247284
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Patent number 2,247,284
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Issue date Jun 24, 1941
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2138897
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Patent number 2,138,897
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Issue date Dec 6, 1938
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1966277
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Patent number 1,966,277
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Issue date Jul 10, 1934
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B24 - GRINDING POLISHING
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1947531
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Patent number 1,947,531
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Issue date Feb 20, 1934
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1858852
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Patent number 1,858,852
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Issue date May 17, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1838564
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Patent number 1,838,564
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Issue date Dec 29, 1931
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1732358
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Patent number 1,732,358
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Issue date Oct 22, 1929
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1557895
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Patent number 1,557,895
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Issue date Oct 20, 1925
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1544656
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Patent number 1,544,656
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Issue date Jul 7, 1925
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1535027
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Patent number 1,535,027
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Issue date Apr 21, 1925
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1526901
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Patent number 1,526,901
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Issue date Feb 17, 1925
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1512339
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Patent number 1,512,339
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Issue date Oct 21, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1502574
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Patent number 1,502,574
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Issue date Jul 22, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1491874
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Patent number 1,491,874
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Issue date Apr 29, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1470020
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Patent number 1,470,020
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Issue date Oct 9, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1470545
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Patent number 1,470,545
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Issue date Oct 9, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1435164
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Patent number 1,435,164
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Issue date Nov 14, 1922
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1422205
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Patent number 1,422,205
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Issue date Jul 11, 1922
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1399867
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Patent number 1,399,867
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Issue date Dec 13, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1389519
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Patent number 1,389,519
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Issue date Aug 30, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1383835
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Patent number 1,383,835
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Issue date Jul 5, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1376450
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Patent number 1,376,450
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Issue date May 3, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR