CA288308A - Telephone circuit arrangement - Google Patents

Telephone circuit arrangement

Info

Publication number
CA288308A
CA288308A CA288308DA CA288308A CA 288308 A CA288308 A CA 288308A CA 288308D A CA288308D A CA 288308DA CA 288308 A CA288308 A CA 288308A
Authority
CA
Canada
Prior art keywords
circuit arrangement
telephone circuit
telephone
arrangement
circuit
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 CA288308A publication Critical patent/CA288308A/en
Expired legal-status Critical Current

Links

CA288308D Telephone circuit arrangement Expired CA288308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA288308T

Publications (1)

Publication Number Publication Date
CA288308A true CA288308A (en) 1929-03-26

Family

ID=35225120

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288308D Expired CA288308A (en) Telephone circuit arrangement

Country Status (1)

Country Link
CA (1) CA288308A (en)

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