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Transversely excited gas laser
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Patent number 4,613,971
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Issue date Sep 23, 1986
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Siemens Aktiengesellschaft
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Gerhard Brumme
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H01 - BASIC ELECTRIC ELEMENTS
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High-gain Klystron-tetrode
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Patent number 4,567,406
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Issue date Jan 28, 1986
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Siemens Aktiengesellschaft
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Hinrich Heynisch
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H01 - BASIC ELECTRIC ELEMENTS
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Fast-heating cathode
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Patent number 4,567,071
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Issue date Jan 28, 1986
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Erich Glass
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H01 - BASIC ELECTRIC ELEMENTS
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Flat picture tube
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Patent number 4,435,672
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Issue date Mar 6, 1984
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Siemens Aktiengesellschaft
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Hinrich Heynisch
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H01 - BASIC ELECTRIC ELEMENTS
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Wristwatch
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Patent number 4,204,399
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Issue date May 27, 1980
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Siemens Aktiengesellschaft
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Hinrich Heynisch
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G04 - HOROLOGY