CA245459A - Telephone circuit - Google Patents

Telephone circuit

Info

Publication number
CA245459A
CA245459A CA245459A CA245459DA CA245459A CA 245459 A CA245459 A CA 245459A CA 245459 A CA245459 A CA 245459A CA 245459D A CA245459D A CA 245459DA CA 245459 A CA245459 A CA 245459A
Authority
CA
Canada
Prior art keywords
telephone circuit
telephone
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
CA245459A
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 CA245459A publication Critical patent/CA245459A/en
Expired legal-status Critical Current

Links

CA245459A Telephone circuit Expired CA245459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA245459T

Publications (1)

Publication Number Publication Date
CA245459A true CA245459A (en) 1924-12-16

Family

ID=35152434

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245459A Expired CA245459A (en) Telephone circuit

Country Status (1)

Country Link
CA (1) CA245459A (en)

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