FR457819A - Telephone system - Google Patents

Telephone system

Info

Publication number
FR457819A
FR457819A FR457819DA FR457819A FR 457819 A FR457819 A FR 457819A FR 457819D A FR457819D A FR 457819DA FR 457819 A FR457819 A FR 457819A
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 FR457819A publication Critical patent/FR457819A/en
Expired legal-status Critical Current

Links

FR457819D 1913-02-22 1913-02-22 Telephone system Expired FR457819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR457819T 1913-02-22

Publications (1)

Publication Number Publication Date
FR457819A true FR457819A (en) 1913-09-26

Family

ID=43351113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457819D Expired FR457819A (en) 1913-02-22 1913-02-22 Telephone system

Country Status (1)

Country Link
FR (1) FR457819A (en)

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