CA319312A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA319312A
CA319312A CA319312DA CA319312A CA 319312 A CA319312 A CA 319312A CA 319312D A CA319312D A CA 319312DA CA 319312 A CA319312 A CA 319312A
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
Leonard Peters Charles
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 CA319312A publication Critical patent/CA319312A/en
Expired legal-status Critical Current

Links

CA319312D Telephone system Expired CA319312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA319312T

Publications (1)

Publication Number Publication Date
CA319312A true CA319312A (en) 1932-01-26

Family

ID=35279867

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319312D Expired CA319312A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA319312A (en)

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