AT113829B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Process for the production of highly active coal.
Assignee: Aenne Schreiner
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Filing: 1928-06-14
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Granted: 1929-07-25
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Expires: 1948-06-14
Abstract
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Inventors
- 👤 Aenne Schreiner
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-27 09:47
CPC Classifications
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