FR24093E - Improvements in systems for telephone exchanges - Google Patents

Improvements in systems for telephone exchanges

Info

Publication number
FR24093E
FR24093E FR24093DA FR24093E FR 24093 E FR24093 E FR 24093E FR 24093D A FR24093D A FR 24093DA FR 24093 E FR24093 E FR 24093E
Authority
FR
France
Prior art keywords
systems
telephone exchanges
exchanges
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 FR24093E publication Critical patent/FR24093E/en
Expired legal-status Critical Current

Links

FR24093D 1919-09-24 1920-09-20 Improvements in systems for telephone exchanges Expired FR24093E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR504198T 1919-09-24
FR24093T 1920-09-20

Publications (1)

Publication Number Publication Date
FR24093E true FR24093E (en) 1922-02-21

Family

ID=44248310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24093D Expired FR24093E (en) 1919-09-24 1920-09-20 Improvements in systems for telephone exchanges

Country Status (1)

Country Link
FR (1) FR24093E (en)

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