CA180375A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA180375A
CA180375A CA000180375A CA180375DA CA180375A CA 180375 A CA180375 A CA 180375A CA 000180375 A CA000180375 A CA 000180375A CA 180375D A CA180375D A CA 180375DA CA 180375 A CA180375 A CA 180375A
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
CA000180375A
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 CA180375A publication Critical patent/CA180375A/fr
Expired legal-status Critical Current

Links

CA000180375A 1916-10-07 1916-10-07 Systeme telephonique Expired CA180375A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA180375T 1916-10-07

Publications (1)

Publication Number Publication Date
CA180375A true CA180375A (fr) 1917-11-13

Family

ID=45300028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000180375A Expired CA180375A (fr) 1916-10-07 1916-10-07 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA180375A (fr)

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