CA227462A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA227462A
CA227462A CA227462A CA227462DA CA227462A CA 227462 A CA227462 A CA 227462A CA 227462 A CA227462 A CA 227462A CA 227462D A CA227462D A CA 227462DA CA 227462 A CA227462 A CA 227462A
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
CA227462A
Other languages
English (en)
Inventor
B. Williams Samuel
E. Hintichsen Edward
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA227462A publication Critical patent/CA227462A/fr
Expired legal-status Critical Current

Links

CA227462A Systeme telephonique Expired CA227462A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA227462T

Publications (1)

Publication Number Publication Date
CA227462A true CA227462A (fr) 1922-12-26

Family

ID=35123065

Family Applications (1)

Application Number Title Priority Date Filing Date
CA227462A Expired CA227462A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA227462A (fr)

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