CA171776A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA171776A
CA171776A CA000171776A CA171776DA CA171776A CA 171776 A CA171776 A CA 171776A CA 000171776 A CA000171776 A CA 000171776A CA 171776D A CA171776D A CA 171776DA CA 171776 A CA171776 A CA 171776A
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
CA000171776A
Other languages
English (en)
Inventor
Michael Schwartz
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 CA171776A publication Critical patent/CA171776A/fr
Expired legal-status Critical Current

Links

CA000171776A 1913-03-03 1913-03-03 Systeme telephonique Expired CA171776A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA171776T 1913-03-03

Publications (1)

Publication Number Publication Date
CA171776A true CA171776A (fr) 1916-09-05

Family

ID=45291434

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000171776A Expired CA171776A (fr) 1913-03-03 1913-03-03 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA171776A (fr)

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