FR648732A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device used for keeping books and allowing reproduction on carbon paper or other
Assignee: Leopold Mahler
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Filing: 1927-10-25
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Granted: 1928-12-13
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Expires: 1947-10-25
Abstract
No abstract record available.
Inventors
- 👤 Leopold Mahler
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 23:19
CPC Classifications
B; B41; B41L; B41L3/00; B41L3/02
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