CA381343A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA381343A
CA381343A CA381343A CA381343DA CA381343A CA 381343 A CA381343 A CA 381343A CA 381343 A CA381343 A CA 381343A CA 381343D A CA381343D A CA 381343DA CA 381343 A CA381343 A CA 381343A
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
CA381343A
Other languages
French (fr)
Inventor
Griffith Dixon Reginald
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 CA381343A publication Critical patent/CA381343A/en
Expired legal-status Critical Current

Links

CA381343A Telephone system Expired CA381343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381343T

Publications (1)

Publication Number Publication Date
CA381343A true CA381343A (en) 1939-05-09

Family

ID=35386584

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381343A Expired CA381343A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA381343A (en)

Similar Documents

Publication Publication Date Title
CA381343A (en) Telephone system
CA379121A (en) Telephone system
CA379122A (en) Telephone system
CA379431A (en) Telephone system
CA379452A (en) Telephone system
CA379684A (en) Telephone system
CA379870A (en) Telephone system
CA380000A (en) Telephone system
CA380738A (en) Telephone system
CA380803A (en) Telephone system
CA381037A (en) Telephone system
CA381054A (en) Telephone system
CA382185A (en) Telephone system
CA383807A (en) Telephone system
CA383808A (en) Telephone system
CA383809A (en) Telephone system
CA383810A (en) Telephone system
CA383909A (en) Telephone system
CA384404A (en) Telephone system
CA385726A (en) Telephone system
CA381189A (en) Telephone selective system
CA380381A (en) Communication system
CA384635A (en) Communication system
CA379423A (en) Communication system
CA385260A (en) Telephone signalling system