FR479655A - Automatic telephone improvements - Google Patents

Automatic telephone improvements

Info

Publication number
FR479655A
FR479655A FR479655DA FR479655A FR 479655 A FR479655 A FR 479655A FR 479655D A FR479655D A FR 479655DA FR 479655 A FR479655 A FR 479655A
Authority
FR
France
Prior art keywords
automatic telephone
telephone
automatic
telephone improvements
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 FR479655A publication Critical patent/FR479655A/en
Expired legal-status Critical Current

Links

FR479655D 1914-01-23 1914-12-22 Automatic telephone improvements Expired FR479655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479655XA 1914-01-23 1914-01-23

Publications (1)

Publication Number Publication Date
FR479655A true FR479655A (en) 1916-04-27

Family

ID=43351576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479655D Expired FR479655A (en) 1914-01-23 1914-12-22 Automatic telephone improvements

Country Status (1)

Country Link
FR (1) FR479655A (en)

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