FR529210A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electric dust collector and ozonator for air purification and applicable to the hygienic ventilation of residential or industrial premises, public services or hospitals
Assignee: PURIFICATION IND DES GAZ SOC D
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Filing: 1920-07-22
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Granted: 1921-11-25
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Expires: 1940-07-22
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 05:03
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/40; B03C3/45; B03C3/53
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