CA270491A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA270491A
CA270491A CA270491A CA270491DA CA270491A CA 270491 A CA270491 A CA 270491A CA 270491 A CA270491 A CA 270491A CA 270491D A CA270491D A CA 270491DA CA 270491 A CA270491 A CA 270491A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
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
CA270491A
Other languages
English (en)
Inventor
Leo Slattery James
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 CA270491A publication Critical patent/CA270491A/fr
Expired legal-status Critical Current

Links

CA270491A Systeme telephonique Expired CA270491A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA270491T

Publications (1)

Publication Number Publication Date
CA270491A true CA270491A (fr) 1927-05-10

Family

ID=35200521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270491A Expired CA270491A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA270491A (fr)

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