FR486962A - Improvements to automatic telephone systems - Google Patents

Improvements to automatic telephone systems

Info

Publication number
FR486962A
FR486962A FR486962DA FR486962A FR 486962 A FR486962 A FR 486962A FR 486962D A FR486962D A FR 486962DA FR 486962 A FR486962 A FR 486962A
Authority
FR
France
Prior art keywords
telephone systems
automatic telephone
automatic
systems
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 FR486962A publication Critical patent/FR486962A/en
Expired legal-status Critical Current

Links

FR486962D 1916-05-10 1917-05-09 Improvements to automatic telephone systems Expired FR486962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486962TA 1916-05-10 1916-05-10

Publications (1)

Publication Number Publication Date
FR486962A true FR486962A (en) 1918-05-21

Family

ID=43478326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR486962D Expired FR486962A (en) 1916-05-10 1917-05-09 Improvements to automatic telephone systems

Country Status (1)

Country Link
FR (1) FR486962A (en)

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