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BE415676A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2075761A
(en)
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Electron discharge tube and the like
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BE416815A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US1720443A
(en)
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Vacuum electric tube device
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FR2972846A1
(fr)
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Magnetron
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US1756882A
(en)
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Filament-tensioning means
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BE396298A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE464965A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE383229A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US3126496A
(en)
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Formed strap frame grid |
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BE340145A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE382998A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE382578A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE396522A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE484522A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE529070A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH112865A
(fr)
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Dispositif de support d'une grille en fil, formée d'une série de spires, dans un tube électrique à vide.
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BE484713A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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FR2558246A1
(fr)
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Echangeur de chaleur a boites a eau et plaques collectrices reliees mecaniquement
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BE392252A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE483790A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE447468A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE410071A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE620451A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE429610A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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