FR21576E - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
FR21576E
FR21576E FR21576DA FR21576E FR 21576 E FR21576 E FR 21576E FR 21576D A FR21576D A FR 21576DA FR 21576 E FR21576 E FR 21576E
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR21576E publication Critical patent/FR21576E/en
Expired legal-status Critical Current

Links

FR21576D 1914-03-04 1915-02-26 Automatic telephone system Expired FR21576E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR472048T 1914-03-04
FR21576T 1915-02-26

Publications (1)

Publication Number Publication Date
FR21576E true FR21576E (en) 1920-11-15

Family

ID=44248254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21576D Expired FR21576E (en) 1914-03-04 1915-02-26 Automatic telephone system

Country Status (1)

Country Link
FR (1) FR21576E (en)

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