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Issue date Sep 26, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2569368
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Patent number 2,569,368
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Issue date Sep 25, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2408291
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Patent number 2,408,291
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Issue date Sep 24, 1946
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2387042
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Patent number 2,387,042
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Issue date Oct 16, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2355627
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Patent number 2,355,627
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Issue date Aug 15, 1944
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2217546
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Patent number 2,217,546
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Issue date Oct 8, 1940
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1350557
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Patent number 1,350,557
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Issue date Aug 24, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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382661
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Patent number 382,661
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Issue date May 8, 1888
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR