CA176902A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA176902A
CA176902A CA000176902A CA176902DA CA176902A CA 176902 A CA176902 A CA 176902A CA 000176902 A CA000176902 A CA 000176902A CA 176902D A CA176902D A CA 176902DA CA 176902 A CA176902 A CA 176902A
Authority
CA
Canada
Prior art keywords
telepone
telepone system
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
CA000176902A
Other languages
English (en)
Inventor
Bernard D. Willis
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 CA176902A publication Critical patent/CA176902A/fr
Expired legal-status Critical Current

Links

CA000176902A 1915-03-05 1915-03-05 Systeme telephonique Expired CA176902A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA176902T 1915-03-05

Publications (1)

Publication Number Publication Date
CA176902A true CA176902A (fr) 1917-05-08

Family

ID=45296555

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000176902A Expired CA176902A (fr) 1915-03-05 1915-03-05 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA176902A (fr)

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