DE847985C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for measuring working times by means of sound recording devices
Assignee: BASF SE
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Filing: 1950-10-01
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Granted: 1952-08-28
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Expires: 1970-10-01
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Dipl-Ing Dr Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 22:36
CPC Classifications
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