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Terminal guidance sensor system
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Patent number 4,260,187
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Issue date Apr 7, 1981
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Robert A. Administrator of the National Aeronautics and Space Administration,...
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Hot gas engine with dual crankshafts
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Patent number 4,255,929
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Issue date Mar 17, 1981
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Robert A. Administrator of the National Aeronautics and Space Administration,...
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Phase-angle controller for stirling engines
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Patent number 4,240,256
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Issue date Dec 23, 1980
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Robert A. Administrator of the National Aeronautics and Space Administration,...
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Low cost cryostat
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Patent number 4,218,892
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Issue date Aug 26, 1980
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Robert A. Administrator of the National Aeronautics and Space Administration,...
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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