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Heavy-duty live centers
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Patent number 3,987,693
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Issue date Oct 26, 1976
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Henry F. Swenson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3610077
-
Patent number 3,610,077
-
Issue date Oct 5, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2675725
-
Patent number 2,675,725
-
Issue date Apr 20, 1954
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2209493
-
Patent number 2,209,493
-
Issue date Jul 30, 1940
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1946684
-
Patent number 1,946,684
-
Issue date Feb 13, 1934
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1878690
-
Patent number 1,878,690
-
Issue date Sep 20, 1932
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1442364
-
Patent number 1,442,364
-
Issue date Jan 16, 1923
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1400731
-
Patent number 1,400,731
-
Issue date Dec 20, 1921
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1345368
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Patent number 1,345,368
-
Issue date Jul 6, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR