FR331856A
Expired / Lapsed
FR
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A portable breathing apparatus, called "the spiro", against fumes, vapors and dust
Assignee: THEODORE JEAN CHARLES ALBERT D
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Filing: 1903-05-06
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Granted: 1903-10-06
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Expires: 1923-05-06
Abstract
No abstract record available.
Inventors
- 👤 Theodore-Jean-Charles-Albert Debaucheron
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 22:18
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A62; A62B; A62B17/00; A62B17/04
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