CA181300A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA181300A
CA181300A CA000181300A CA181300DA CA181300A CA 181300 A CA181300 A CA 181300A CA 000181300 A CA000181300 A CA 000181300A CA 181300D A CA181300D A CA 181300DA CA 181300 A CA181300 A CA 181300A
Authority
CA
Canada
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
CA000181300A
Other languages
English (en)
Inventor
George A. Yanochowski
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 CA181300A publication Critical patent/CA181300A/fr
Expired legal-status Critical Current

Links

CA000181300A 1915-07-19 1915-07-19 Systeme telephonique Expired CA181300A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA181300T 1915-07-19

Publications (1)

Publication Number Publication Date
CA181300A true CA181300A (fr) 1917-12-25

Family

ID=45300952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000181300A Expired CA181300A (fr) 1915-07-19 1915-07-19 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA181300A (fr)

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