Patent DE704803C successfully refreshed from Google Patents.
DE704803C
Expired / Lapsed
DE
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Device for generating one or more electron beam bundles without gas concentration by means of a glow cathode
Assignee: ERNST RUSKA DR ING
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Filing: 1931-04-25
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Granted: 1941-04-07
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Expires: 1951-04-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 14:49
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/029
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