CA524631A - Systemes de telephone - Google Patents

Systemes de telephone

Info

Publication number
CA524631A
CA524631A CA524631A CA524631DA CA524631A CA 524631 A CA524631 A CA 524631A CA 524631 A CA524631 A CA 524631A CA 524631D A CA524631D A CA 524631DA CA 524631 A CA524631 A CA 524631A
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
CA524631A
Other languages
English (en)
Inventor
A. Hensler Bernard
R. Yates Kenneth
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA524631A publication Critical patent/CA524631A/fr
Expired legal-status Critical Current

Links

CA524631A Systemes de telephone Expired CA524631A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA524631T

Publications (1)

Publication Number Publication Date
CA524631A true CA524631A (fr) 1956-05-01

Family

ID=35678343

Family Applications (1)

Application Number Title Priority Date Filing Date
CA524631A Expired CA524631A (fr) Systemes de telephone

Country Status (1)

Country Link
CA (1) CA524631A (fr)

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