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DE839142C Expired / Lapsed DE ⏱️ 0.0 years remaining

Arrangement for examining the interior of gas pipes

Assignee: EOn Ruhrgas AG
•
Filing: 1950-09-08
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Granted: 1952-05-15
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Expires: 1970-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Dipl-Ing Siegfried Brockhaus

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-30 11:36
CPC Classifications
G; G03; G03B; G03B37/00; G03B37/005; F; F17; F17D; F17D5/00

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