FR701486A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Installation of shafts for electrical devices housed underground, in particular for transformers installed in shafts
Assignee: Siemens Schuckertwerke AG
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Filing: 1930-09-01
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Granted: 1931-03-17
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Expires: 1950-09-01
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 09:26
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/06
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