CH150210A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for ventilating cold frames.
Assignee: Aebi Ernst
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Filing: 1930-12-16
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Granted: —
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Expires: 1950-12-16
Abstract
No abstract record available.
Inventors
- 👤 Aebi Ernst
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 10:22
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/24; A01G9/241; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
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References Cited (Backward Citations)
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