FR486965A - Improvements to automatic telephony systems with paid and untaxed communications - Google Patents

Improvements to automatic telephony systems with paid and untaxed communications

Info

Publication number
FR486965A
FR486965A FR486965DA FR486965A FR 486965 A FR486965 A FR 486965A FR 486965D A FR486965D A FR 486965DA FR 486965 A FR486965 A FR 486965A
Authority
FR
France
Prior art keywords
untaxed
paid
communications
telephony systems
automatic telephony
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 FR486965A publication Critical patent/FR486965A/en
Expired legal-status Critical Current

Links

FR486965D 1916-06-07 1917-06-05 Improvements to automatic telephony systems with paid and untaxed communications Expired FR486965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486965XA 1916-06-07 1916-06-07

Publications (1)

Publication Number Publication Date
FR486965A true FR486965A (en) 1918-05-21

Family

ID=43351763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR486965D Expired FR486965A (en) 1916-06-07 1917-06-05 Improvements to automatic telephony systems with paid and untaxed communications

Country Status (1)

Country Link
FR (1) FR486965A (en)

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