CH216175A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Ribbon especially for carbon copy accounting.
Assignee: O Haberfeld Erwin
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Filing: 1940-10-19
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Granted: —
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Expires: 1960-10-19
Abstract
No abstract record available.
Inventors
- 👤 O Haberfeld Erwin
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/12; B41J31/05; B41J31/06
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References Cited (Backward Citations)
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