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Portable heatable container
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Patent number 4,193,388
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Issue date Mar 18, 1980
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Robert A. Administrator of the National Aeronautics and Space Administration,...
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F24 - HEATING RANGES VENTILATING
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Underwater seismic source
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Patent number 4,153,134
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Issue date May 8, 1979
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The United States of America as represented by the administrator of the Natio...
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Lien C. Yang
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G01 - MEASURING TESTING
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Seismic vibration source
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Patent number 4,148,375
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Issue date Apr 10, 1979
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The United States of America as represented by the administrator of the Natio...
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Warren L. Dowler
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G01 - MEASURING TESTING