CA558640A - Appareil de degagement de ligne pour systeme de telephone - Google Patents

Appareil de degagement de ligne pour systeme de telephone

Info

Publication number
CA558640A
CA558640A CA558640A CA558640DA CA558640A CA 558640 A CA558640 A CA 558640A CA 558640 A CA558640 A CA 558640A CA 558640D A CA558640D A CA 558640DA CA 558640 A CA558640 A CA 558640A
Authority
CA
Canada
Prior art keywords
line
telephone system
clearing apparatus
clearing
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
CA558640A
Other languages
English (en)
Inventor
L. Culbertson John
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA558640A publication Critical patent/CA558640A/fr
Expired legal-status Critical Current

Links

CA558640A Appareil de degagement de ligne pour systeme de telephone Expired CA558640A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA558640T

Publications (1)

Publication Number Publication Date
CA558640A true CA558640A (fr) 1958-06-10

Family

ID=35725048

Family Applications (1)

Application Number Title Priority Date Filing Date
CA558640A Expired CA558640A (fr) Appareil de degagement de ligne pour systeme de telephone

Country Status (1)

Country Link
CA (1) CA558640A (fr)

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