CA176901A - Systeme telephponique - Google Patents

Systeme telephponique

Info

Publication number
CA176901A
CA176901A CA000176901A CA176901DA CA176901A CA 176901 A CA176901 A CA 176901A CA 000176901 A CA000176901 A CA 000176901A CA 176901D A CA176901D A CA 176901DA CA 176901 A CA176901 A CA 176901A
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
CA000176901A
Other languages
English (en)
Inventor
Talbot G. Martin
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 CA176901A publication Critical patent/CA176901A/fr
Expired legal-status Critical Current

Links

CA000176901A 1914-12-07 1914-12-07 Systeme telephponique Expired CA176901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA176901T 1914-12-07

Publications (1)

Publication Number Publication Date
CA176901A true CA176901A (fr) 1917-05-08

Family

ID=45296554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000176901A Expired CA176901A (fr) 1914-12-07 1914-12-07 Systeme telephponique

Country Status (1)

Country Link
CA (1) CA176901A (fr)

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