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FR22272E
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Improvements to relay-reinforcers for telephone and radiotelegraph reception
Assignee: AUGUSTE JEAN BAPTISTE TAULEIGN
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Filing: 1917-01-22
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Granted: 1921-05-25
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Expires: 1937-01-22
Abstract
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Inventors
- 👤 Auguste-Jean-Baptiste Tauleigne
Bibliographic Details
Application Number
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Jurisdiction
FR
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Last Synchronized
2026-10-30 18:51
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