FR422937A - Telephone system - Google Patents

Telephone system

Info

Publication number
FR422937A
FR422937A FR422937DA FR422937A FR 422937 A FR422937 A FR 422937A FR 422937D A FR422937D A FR 422937DA FR 422937 A FR422937 A FR 422937A
Authority
FR
France
Prior art keywords
telephone system
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.)
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 FR422937A publication Critical patent/FR422937A/en
Expired legal-status Critical Current

Links

FR422937D 1910-08-31 1910-08-31 Telephone system Expired FR422937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR422937T 1910-08-31

Publications (1)

Publication Number Publication Date
FR422937A true FR422937A (en) 1911-04-03

Family

ID=43350388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422937D Expired FR422937A (en) 1910-08-31 1910-08-31 Telephone system

Country Status (1)

Country Link
FR (1) FR422937A (en)

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