CA347220A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA347220A
CA347220A CA347220DA CA347220A CA 347220 A CA347220 A CA 347220A CA 347220D A CA347220D A CA 347220DA CA 347220 A CA347220 A CA 347220A
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
Herbert Grinsted William
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 CA347220A publication Critical patent/CA347220A/en
Expired legal-status Critical Current

Links

CA347220D Telephone system Expired CA347220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA347220T

Publications (1)

Publication Number Publication Date
CA347220A true CA347220A (en) 1935-01-01

Family

ID=35318494

Family Applications (1)

Application Number Title Priority Date Filing Date
CA347220D Expired CA347220A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA347220A (en)

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