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DE718969C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the production of openings as well as hole sensitometers and light testers using openings produced in this way

Assignee: JAROSLAV BOUCEK DR ING
•
Filing: 1941-02-05
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Granted: 1942-03-25
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Expires: 1961-02-05
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Abstract

No abstract record available.

Inventors

  • 👤 Dr-Ing Jaroslav Boucek

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-03 22:14
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/48; G01J1/50

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