Patent FR836698A successfully refreshed from Google Patents.
FR836698A
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FR
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observation screen for braun tubes, preferably for projection
Assignee: Robert Bosch Fernsehanlagen GmbH
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Filing: 1938-04-15
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Granted: 1939-01-24
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Expires: 1958-04-15
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 12:38
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/24
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