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Apparatus for cutting hollow pipe
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Patent number 4,706,481
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Issue date Nov 17, 1987
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Spiro America Inc.
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Wilhelmus P. H. Castricum
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1675182
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Patent number 1,675,182
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Issue date Jun 26, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1641866
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Patent number 1,641,866
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Issue date Sep 6, 1927
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1458428
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Patent number 1,458,428
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Issue date Jun 12, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1033454
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Patent number 1,033,454
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Issue date Jul 23, 1912
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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957966
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Patent number 957,966
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Issue date May 17, 1910
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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627236
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Patent number 627,236
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Issue date Jun 20, 1899
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR