CA318894A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA318894A
CA318894A CA318894DA CA318894A CA 318894 A CA318894 A CA 318894A CA 318894D A CA318894D A CA 318894DA CA 318894 A CA318894 A CA 318894A
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
Other languages
French (fr)
Inventor
Adam Christian David
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 CA318894A publication Critical patent/CA318894A/en
Expired legal-status Critical Current

Links

CA318894D Telephone system Expired CA318894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA318894T

Publications (1)

Publication Number Publication Date
CA318894A true CA318894A (en) 1932-01-12

Family

ID=35279449

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318894D Expired CA318894A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA318894A (en)

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