FR699833A
Expired / Lapsed
FR
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Improvements to dust collectors
Assignee: Samuel Niestle
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Filing: 1930-07-19
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Granted: 1931-02-20
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Expires: 1950-07-19
Abstract
No abstract record available.
Inventors
- 👤 Samuel Niestle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 03:48
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; A47L9/00; A47L9/0072
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