CA219437A - Circuit telephonique - Google Patents

Circuit telephonique

Info

Publication number
CA219437A
CA219437A CA219437A CA219437DA CA219437A CA 219437 A CA219437 A CA 219437A CA 219437 A CA219437 A CA 219437A CA 219437D A CA219437D A CA 219437DA CA 219437 A CA219437 A CA 219437A
Authority
CA
Canada
Prior art keywords
telephone circuit
telephone
circuit
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
CA219437A
Other languages
English (en)
Inventor
Fletcher Harvey
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 CA219437A publication Critical patent/CA219437A/fr
Expired legal-status Critical Current

Links

CA219437A Circuit telephonique Expired CA219437A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA219437T

Publications (1)

Publication Number Publication Date
CA219437A true CA219437A (fr) 1922-06-06

Family

ID=35113881

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219437A Expired CA219437A (fr) Circuit telephonique

Country Status (1)

Country Link
CA (1) CA219437A (fr)

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