Patent FR1487946A successfully refreshed from Google Patents.
Patent DE877681C successfully refreshed from Google Patents.
DE877681C
Expired / Lapsed
DE
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Process for the automatic control of such state variables of flowing fluids, which can be determined by electrometric, calorimetric or conductivity measurements, in particular of pH values
Assignee: Siemens Corp
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Filing: 1939-03-18
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Granted: 1953-07-09
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Expires: 1959-03-18
Abstract
No abstract record available.
Inventors
- 👤 Fritz Dr Lieneweg
- 👤 Alfred Dr Naumann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 23:44
CPC Classifications
G; G05; G05D; G05D21/00; G05D21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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