CA347218A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA347218A
CA347218A CA347218A CA347218DA CA347218A CA 347218 A CA347218 A CA 347218A CA 347218 A CA347218 A CA 347218A CA 347218D A CA347218D A CA 347218DA CA 347218 A CA347218 A CA 347218A
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
CA347218A
Other languages
English (en)
Inventor
George Patterson William
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 CA347218A publication Critical patent/CA347218A/fr
Expired legal-status Critical Current

Links

CA347218A Systeme telephonique Expired CA347218A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA347218T

Publications (1)

Publication Number Publication Date
CA347218A true CA347218A (fr) 1935-01-01

Family

ID=35318492

Family Applications (1)

Application Number Title Priority Date Filing Date
CA347218A Expired CA347218A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA347218A (fr)

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