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BE432766A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2054846A
(en)
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Modulating lamp assembly and circuit therefor
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US2219590A
(en)
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Multiunit tube
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FR2756987A1
(fr)
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Circuit oscillant
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FR2631757A1
(fr)
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Oscillateur hyperfrequence accordable
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BE378237A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE364415A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE344491A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE421548A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US1884593A
(en)
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Television system
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BE360895A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE416335A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH309696A
(fr)
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Dispositif à décharge d'électrons.
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BE478599A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE458271A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE377460A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE382998A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH123074A
(fr)
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Dispositif thermionique.
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BE397505A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE454808A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE334386A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE426949A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH332318A
(fr)
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Circuit diviseur de fréquence
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CH211573A
(fr)
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Dispositif à tubes thermioniques.
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BE457010A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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