FR463733A - Improvements in automatic telephone networks - Google Patents

Improvements in automatic telephone networks

Info

Publication number
FR463733A
FR463733A FR463733DA FR463733A FR 463733 A FR463733 A FR 463733A FR 463733D A FR463733D A FR 463733DA FR 463733 A FR463733 A FR 463733A
Authority
FR
France
Prior art keywords
telephone networks
automatic telephone
automatic
networks
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 FR463733A publication Critical patent/FR463733A/en
Expired legal-status Critical Current

Links

FR463733D 1912-07-05 1913-06-30 Improvements in automatic telephone networks Expired FR463733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463733XA 1912-07-05 1912-07-05

Publications (1)

Publication Number Publication Date
FR463733A true FR463733A (en) 1914-03-03

Family

ID=43351249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR463733D Expired FR463733A (en) 1912-07-05 1913-06-30 Improvements in automatic telephone networks

Country Status (1)

Country Link
FR (1) FR463733A (en)

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