CA179251A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA179251A
CA179251A CA000179251A CA179251DA CA179251A CA 179251 A CA179251 A CA 179251A CA 000179251 A CA000179251 A CA 000179251A CA 179251D A CA179251D A CA 179251DA CA 179251 A CA179251 A CA 179251A
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
CA000179251A
Other languages
English (en)
Inventor
Raymond H. Burfeind
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 CA179251A publication Critical patent/CA179251A/fr
Expired legal-status Critical Current

Links

CA000179251A 1913-09-16 1913-09-16 Systeme telephonique Expired CA179251A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179251T 1913-09-16

Publications (1)

Publication Number Publication Date
CA179251A true CA179251A (fr) 1917-09-11

Family

ID=45298904

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000179251A Expired CA179251A (fr) 1913-09-16 1913-09-16 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA179251A (fr)

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