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FR852333A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and apparatus for treating water to prevent the effects of its hardness

Assignee: Albert George Freeborn
•
Filing: 1939-03-29
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Granted: 1940-01-30
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Expires: 1959-03-29
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Abstract

No abstract record available.

Inventors

  • 👤 Albert George Freeborn

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 14:26
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/48; C02F1/46; C02F1/4602; C02F2201/00; C02F2201/002; C02F2201/003; C02F2303/00; C02F2303/22

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