FR935451A
Expired / Lapsed
FR
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Sewer construction system
Assignee: Gaston Pitrois
•
Filing: 1946-10-30
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Granted: 1948-06-18
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Expires: 1966-10-30
Abstract
No abstract record available.
Inventors
- 👤 Gaston Pitrois
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 10:14
CPC Classifications
E; E03; E03F; E03F3/00; E03F3/04
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