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DE606503C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for the tight sealing of the open ends of pipes laid in the ground, intended for the reception of electrical cables

Assignee: ERNA DAHLENBURG GEB FROHLOFF
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Filing: 1930-12-19
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Granted: 1934-12-04
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Expires: 1950-12-19
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-29 19:16
CPC Classifications
H; H02; H02G; H02G9/00; H02G9/06

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