CH206649A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Shutters with movable cross-boards, especially for darkening according to the regulations of passive air protection.
Assignee: Baumann Wilhelm
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Filing: 1939-01-11
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Granted: —
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Expires: 1959-01-11
Abstract
No abstract record available.
Inventors
- 👤 Baumann Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-01 17:54
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084
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