FR510541A - Électro-cardiophone haut-parleur - Google Patents

Électro-cardiophone haut-parleur

Info

Publication number
FR510541A
FR510541A FR510541DA FR510541A FR 510541 A FR510541 A FR 510541A FR 510541D A FR510541D A FR 510541DA FR 510541 A FR510541 A FR 510541A
Authority
FR
France
Prior art keywords
cardiophone
electro
speaker
cardiophone speaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR510541A publication Critical patent/FR510541A/fr
Expired legal-status Critical Current

Links

FR510541D 1919-08-22 1919-08-22 Électro-cardiophone haut-parleur Expired FR510541A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR510541T 1919-08-22

Publications (1)

Publication Number Publication Date
FR510541A true FR510541A (fr) 1920-12-06

Family

ID=43352259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR510541D Expired FR510541A (fr) 1919-08-22 1919-08-22 Électro-cardiophone haut-parleur

Country Status (1)

Country Link
FR (1) FR510541A (fr)

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