CA180965A - Systeme de communication de lignes telephoniques - Google Patents

Systeme de communication de lignes telephoniques

Info

Publication number
CA180965A
CA180965A CA000180965A CA180965DA CA180965A CA 180965 A CA180965 A CA 180965A CA 000180965 A CA000180965 A CA 000180965A CA 180965D A CA180965D A CA 180965DA CA 180965 A CA180965 A CA 180965A
Authority
CA
Canada
Prior art keywords
trunking system
telephone trunking
telephone
trunking
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
CA000180965A
Other languages
English (en)
Inventor
Anders M. Malmberg
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 CA180965A publication Critical patent/CA180965A/fr
Expired legal-status Critical Current

Links

CA000180965A 1916-10-07 1916-10-07 Systeme de communication de lignes telephoniques Expired CA180965A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA180965T 1916-10-07

Publications (1)

Publication Number Publication Date
CA180965A true CA180965A (fr) 1917-12-11

Family

ID=45300617

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000180965A Expired CA180965A (fr) 1916-10-07 1916-10-07 Systeme de communication de lignes telephoniques

Country Status (1)

Country Link
CA (1) CA180965A (fr)

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