CA587164A - Systemes de telephone - Google Patents

Systemes de telephone

Info

Publication number
CA587164A
CA587164A CA587164A CA587164DA CA587164A CA 587164 A CA587164 A CA 587164A CA 587164 A CA587164 A CA 587164A CA 587164D A CA587164D A CA 587164DA CA 587164 A CA587164 A CA 587164A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
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
CA587164A
Other languages
English (en)
Inventor
D. Allum Robin
W. Helsby Gordon
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 Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA587164A publication Critical patent/CA587164A/fr
Expired legal-status Critical Current

Links

CA587164A Systemes de telephone Expired CA587164A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA587164T

Publications (1)

Publication Number Publication Date
CA587164A true CA587164A (fr) 1959-11-17

Family

ID=35766633

Family Applications (1)

Application Number Title Priority Date Filing Date
CA587164A Expired CA587164A (fr) Systemes de telephone

Country Status (1)

Country Link
CA (1) CA587164A (fr)

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