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Multi-copy ion-valve radiography
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Patent number 4,218,619
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Issue date Aug 19, 1980
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General Electric Company
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Kei-Hsiung Yang
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Apparatus for X-ray radiography
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Patent number 4,150,315
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Issue date Apr 17, 1979
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General Electric Company
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Kei-Hsiung Yang
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Apparatus for X-ray radiography
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Patent number 4,147,948
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Issue date Apr 3, 1979
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General Electric Company
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Kei-Hsiung Yang
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Apparatus for X-ray radiography
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Patent number 4,147,949
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Issue date Apr 3, 1979
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General Electric Company
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Kei-Hsiung Yang
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Tunable laser system
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Patent number 4,132,962
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Issue date Jan 2, 1979
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General Electric Company
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Kei-Hsiung Yang
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H01 - BASIC ELECTRIC ELEMENTS
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Tunable laser system
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Patent number 4,083,018
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Issue date Apr 4, 1978
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General Electric Company
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Kei-Hsiung Yang
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H01 - BASIC ELECTRIC ELEMENTS
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