FR462914A - Systèmes d'échanges téléphoniques - Google Patents

Systèmes d'échanges téléphoniques

Info

Publication number
FR462914A
FR462914A FR462914DA FR462914A FR 462914 A FR462914 A FR 462914A FR 462914D A FR462914D A FR 462914DA FR 462914 A FR462914 A FR 462914A
Authority
FR
France
Prior art keywords
telephone exchange
exchange systems
systems
telephone
exchange
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
English (en)
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of FR462914A publication Critical patent/FR462914A/fr
Expired legal-status Critical Current

Links

FR462914D 1913-03-01 1913-03-01 Systèmes d'échanges téléphoniques Expired FR462914A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR462914T 1913-03-01

Publications (1)

Publication Number Publication Date
FR462914A true FR462914A (fr) 1914-02-09

Family

ID=43351227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR462914D Expired FR462914A (fr) 1913-03-01 1913-03-01 Systèmes d'échanges téléphoniques

Country Status (1)

Country Link
FR (1) FR462914A (fr)

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