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1707100
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Patent number 1,707,100
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Issue date Mar 26, 1929
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1669911
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Patent number 1,669,911
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Issue date May 15, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1640513
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Patent number 1,640,513
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Issue date Aug 30, 1927
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1140208
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Patent number 1,140,208
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Issue date May 18, 1915
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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932989
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Patent number 932,989
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Issue date Aug 31, 1909
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR