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BE415676A
(enrdf_load_html_response)
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US2075761A
(en)
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Electron discharge tube and the like
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BE416815A
(enrdf_load_html_response)
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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
(enrdf_load_html_response)
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BE464965A
(enrdf_load_html_response)
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BE383229A
(enrdf_load_html_response)
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US3126496A
(en)
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Formed strap frame grid |
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BE340145A
(enrdf_load_html_response)
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BE382998A
(enrdf_load_html_response)
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BE382578A
(enrdf_load_html_response)
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US2820919A
(en)
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Mount for electron discharge devices
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BE396522A
(enrdf_load_html_response)
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US8432093B2
(en)
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Ruggedized lamp construction, and method
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BE484522A
(enrdf_load_html_response)
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BE529070A
(enrdf_load_html_response)
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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
(enrdf_load_html_response)
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BE392252A
(enrdf_load_html_response)
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BE483790A
(enrdf_load_html_response)
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BE447468A
(enrdf_load_html_response)
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BE410071A
(enrdf_load_html_response)
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BE620451A
(enrdf_load_html_response)
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