CA238896A - Systeme telephonique a commutation mecanique - Google Patents

Systeme telephonique a commutation mecanique

Info

Publication number
CA238896A
CA238896A CA238896A CA238896DA CA238896A CA 238896 A CA238896 A CA 238896A CA 238896 A CA238896 A CA 238896A CA 238896D A CA238896D A CA 238896DA CA 238896 A CA238896 A CA 238896A
Authority
CA
Canada
Prior art keywords
telephone system
machine switching
switching telephone
machine
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
CA238896A
Other languages
English (en)
Inventor
Samuel B. Willisma, Jr.
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 CA238896A publication Critical patent/CA238896A/fr
Expired legal-status Critical Current

Links

CA238896A Systeme telephonique a commutation mecanique Expired CA238896A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238896T

Publications (1)

Publication Number Publication Date
CA238896A true CA238896A (fr) 1924-03-25

Family

ID=35142927

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238896A Expired CA238896A (fr) Systeme telephonique a commutation mecanique

Country Status (1)

Country Link
CA (1) CA238896A (fr)

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