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Punch and die device for working pipe
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Patent number 6,128,991
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Issue date Oct 10, 2000
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Nisshinbo Industries, Inc.
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Hiroshi Nakagawa
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Driving means
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Patent number 5,305,672
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Issue date Apr 26, 1994
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Ludwig Balint
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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-
-
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Tube cutting apparatus
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Patent number 4,003,278
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Issue date Jan 18, 1977
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Jackes-Evans Manufacturing Company
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John Tipton Shields
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3491639
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Patent number 3,491,639
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Issue date Jan 27, 1970
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3335626
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Patent number 3,335,626
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Issue date Aug 15, 1967
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3304819
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Patent number 3,304,819
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Issue date Feb 21, 1967
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3235430
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Patent number 3,235,430
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Issue date Feb 15, 1966
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2739368
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Patent number 2,739,368
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Issue date Mar 27, 1956
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B08 - CLEANING
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2721613
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Patent number 2,721,613
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Issue date Oct 25, 1955
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2710031
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Patent number 2,710,031
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Issue date Jun 7, 1955
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2397048
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Patent number 2,397,048
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Issue date Mar 19, 1946
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1715138
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Patent number 1,715,138
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Issue date May 28, 1929
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR