CA471685A - Instruments electromagnetiques de telephone - Google Patents

Instruments electromagnetiques de telephone

Info

Publication number
CA471685A
CA471685A CA471685DA CA471685A CA 471685 A CA471685 A CA 471685A CA 471685D A CA471685D A CA 471685DA CA 471685 A CA471685 A CA 471685A
Authority
CA
Canada
Prior art keywords
telephone instruments
electromagnetic telephone
electromagnetic
instruments
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
English (en)
Inventor
Scoble Bone Ronald
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 CA471685A publication Critical patent/CA471685A/fr
Expired legal-status Critical Current

Links

CA471685D Instruments electromagnetiques de telephone Expired CA471685A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA471685T

Publications (1)

Publication Number Publication Date
CA471685A true CA471685A (fr) 1951-02-20

Family

ID=35605634

Family Applications (1)

Application Number Title Priority Date Filing Date
CA471685D Expired CA471685A (fr) Instruments electromagnetiques de telephone

Country Status (1)

Country Link
CA (1) CA471685A (fr)

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