CA887328A - Key telephone station concentrator - Google Patents

Key telephone station concentrator

Info

Publication number
CA887328A
CA887328A CA887328A CA887328DA CA887328A CA 887328 A CA887328 A CA 887328A CA 887328 A CA887328 A CA 887328A CA 887328D A CA887328D A CA 887328DA CA 887328 A CA887328 A CA 887328A
Authority
CA
Canada
Prior art keywords
key telephone
telephone station
station concentrator
concentrator
key
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
CA887328A
Inventor
J. H. Knollman Dieter
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA887328A publication Critical patent/CA887328A/en
Expired legal-status Critical Current

Links

CA887328A Key telephone station concentrator Expired CA887328A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA887328T

Publications (1)

Publication Number Publication Date
CA887328A true CA887328A (en) 1971-11-30

Family

ID=36393572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA887328A Expired CA887328A (en) Key telephone station concentrator

Country Status (1)

Country Link
CA (1) CA887328A (en)

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