CA235656A - Circuit de poste secondaire de telephone - Google Patents

Circuit de poste secondaire de telephone

Info

Publication number
CA235656A
CA235656A CA235656A CA235656DA CA235656A CA 235656 A CA235656 A CA 235656A CA 235656 A CA235656 A CA 235656A CA 235656D A CA235656D A CA 235656DA CA 235656 A CA235656 A CA 235656A
Authority
CA
Canada
Prior art keywords
telephone circuit
substation telephone
substation
circuit
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
CA235656A
Other languages
English (en)
Inventor
G. Martin Talbot
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA235656A publication Critical patent/CA235656A/fr
Expired legal-status Critical Current

Links

CA235656A Circuit de poste secondaire de telephone Expired CA235656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA235656T

Publications (1)

Publication Number Publication Date
CA235656A true CA235656A (fr) 1923-11-13

Family

ID=35133030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235656A Expired CA235656A (fr) Circuit de poste secondaire de telephone

Country Status (1)

Country Link
CA (1) CA235656A (fr)

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