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DE857992C Expired / Lapsed DE ⏱️ 0.0 years remaining

Magnetic lens system with at least three lens columns lying one behind the other in the beam path

Assignee: Siemens Corp
•
Filing: 1948-10-02
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Granted: 1956-01-12
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Expires: 1968-10-02
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Abstract

No abstract record available.

Inventors

  • 👤 Ernst Dr-Ing Ruska

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-23 10:57
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/10; H01J37/14

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