CA347219A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA347219A
CA347219A CA347219A CA347219DA CA347219A CA 347219 A CA347219 A CA 347219A CA 347219 A CA347219 A CA 347219A CA 347219D A CA347219D A CA 347219DA CA 347219 A CA347219 A CA 347219A
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
CA347219A
Other languages
French (fr)
Inventor
George Patterson William
Adam Christian David
Herbert Grinsted 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 CA347219A publication Critical patent/CA347219A/en
Expired legal-status Critical Current

Links

CA347219A Telephone system Expired CA347219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA347219T

Publications (1)

Publication Number Publication Date
CA347219A true CA347219A (en) 1935-01-01

Family

ID=35318493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA347219A Expired CA347219A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA347219A (en)

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