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3802993
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Patent number 3,802,993
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Issue date Apr 9, 1974
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C01 - INORGANIC CHEMISTRY
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Issue date Sep 25, 1973
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C01 - INORGANIC CHEMISTRY
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Patent number 3,155,547
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Issue date Nov 3, 1964
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Patent number 31,697
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Issue date Mar 19, 1861
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...