CA521394A - Systemes de telephone - Google Patents

Systemes de telephone

Info

Publication number
CA521394A
CA521394A CA521394DA CA521394A CA 521394 A CA521394 A CA 521394A CA 521394D A CA521394D A CA 521394DA CA 521394 A CA521394 A CA 521394A
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
Other languages
English (en)
Inventor
A. Hensler Bernard
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 CA521394A publication Critical patent/CA521394A/fr
Expired legal-status Critical Current

Links

CA521394D Systemes de telephone Expired CA521394A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA521394T

Publications (1)

Publication Number Publication Date
CA521394A true CA521394A (fr) 1956-01-31

Family

ID=35674615

Family Applications (1)

Application Number Title Priority Date Filing Date
CA521394D Expired CA521394A (fr) Systemes de telephone

Country Status (1)

Country Link
CA (1) CA521394A (fr)

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