FR491529A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
FR491529A
FR491529A FR491529DA FR491529A FR 491529 A FR491529 A FR 491529A FR 491529D A FR491529D A FR 491529DA FR 491529 A FR491529 A FR 491529A
Authority
FR
France
Prior art keywords
telephone system
automatic telephone
automatic
telephone
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
French (fr)
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 FR491529A publication Critical patent/FR491529A/en
Expired legal-status Critical Current

Links

FR491529D 1916-02-05 1916-12-05 Automatic telephone system Expired FR491529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US491529XA 1916-02-05 1916-02-05

Publications (1)

Publication Number Publication Date
FR491529A true FR491529A (en) 1919-06-06

Family

ID=43479311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491529D Expired FR491529A (en) 1916-02-05 1916-12-05 Automatic telephone system

Country Status (1)

Country Link
FR (1) FR491529A (en)

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