CA747004A - Semi-automatic private branch exchange - Google Patents

Semi-automatic private branch exchange

Info

Publication number
CA747004A
CA747004A CA747004A CA747004DA CA747004A CA 747004 A CA747004 A CA 747004A CA 747004 A CA747004 A CA 747004A CA 747004D A CA747004D A CA 747004DA CA 747004 A CA747004 A CA 747004A
Authority
CA
Canada
Prior art keywords
semi
private branch
branch exchange
automatic private
automatic
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
CA747004A
Inventor
H. Townsend Eric
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA747004A publication Critical patent/CA747004A/en
Expired legal-status Critical Current

Links

CA747004A Semi-automatic private branch exchange Expired CA747004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA747004T

Publications (1)

Publication Number Publication Date
CA747004A true CA747004A (en) 1966-11-22

Family

ID=36176211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA747004A Expired CA747004A (en) Semi-automatic private branch exchange

Country Status (1)

Country Link
CA (1) CA747004A (en)

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