FR487336A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
FR487336A
FR487336A FR487336DA FR487336A FR 487336 A FR487336 A FR 487336A FR 487336D A FR487336D A FR 487336DA FR 487336 A FR487336 A FR 487336A
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 FR487336A publication Critical patent/FR487336A/en
Expired legal-status Critical Current

Links

FR487336D 1915-12-31 1916-11-15 Automatic telephone system Expired FR487336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487336XA 1915-12-31 1915-12-31

Publications (1)

Publication Number Publication Date
FR487336A true FR487336A (en) 1918-06-25

Family

ID=43351784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487336D Expired FR487336A (en) 1915-12-31 1916-11-15 Automatic telephone system

Country Status (1)

Country Link
FR (1) FR487336A (en)

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