FR479712A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
FR479712A
FR479712A FR479712DA FR479712A FR 479712 A FR479712 A FR 479712A FR 479712D A FR479712D A FR 479712DA FR 479712 A FR479712 A FR 479712A
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.)
Relay Automatic Telephone Company Ltd
Original Assignee
Relay Automatic Telephone Company Ltd
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 Relay Automatic Telephone Company Ltd filed Critical Relay Automatic Telephone Company Ltd
Application granted granted Critical
Publication of FR479712A publication Critical patent/FR479712A/en
Expired legal-status Critical Current

Links

FR479712D 1914-11-17 1915-09-10 Automatic telephone systems Expired FR479712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE479712X 1914-11-17

Publications (1)

Publication Number Publication Date
FR479712A true FR479712A (en) 1916-05-03

Family

ID=43351616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479712D Expired FR479712A (en) 1914-11-17 1915-09-10 Automatic telephone systems

Country Status (1)

Country Link
FR (1) FR479712A (en)

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