FR22711E - Line system for automatic or semi-automatic telephone systems - Google Patents

Line system for automatic or semi-automatic telephone systems

Info

Publication number
FR22711E
FR22711E FR22711DA FR22711E FR 22711 E FR22711 E FR 22711E FR 22711D A FR22711D A FR 22711DA FR 22711 E FR22711 E FR 22711E
Authority
FR
France
Prior art keywords
automatic
semi
line system
telephone systems
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.)
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 FR22711E publication Critical patent/FR22711E/en
Expired legal-status Critical Current

Links

FR22711D 1914-04-22 1920-01-27 Line system for automatic or semi-automatic telephone systems Expired FR22711E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR474151T 1914-04-22
FR22711T 1920-01-27

Publications (1)

Publication Number Publication Date
FR22711E true FR22711E (en) 1921-08-10

Family

ID=44248277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR22711D Expired FR22711E (en) 1914-04-22 1920-01-27 Line system for automatic or semi-automatic telephone systems

Country Status (1)

Country Link
FR (1) FR22711E (en)

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