FR697884A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for the continuous manufacture of highly concentrated sulfuric acid
Assignee: Richard Zeh
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Filing: 1930-06-25
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Granted: 1931-01-23
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Expires: 1950-06-25
Abstract
No abstract record available.
Inventors
- 👤 Richard Zeh
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 23:54
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/69; C01B17/88
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References Cited (Backward Citations)
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