CA280760A - Transmetteur de telephone - Google Patents

Transmetteur de telephone

Info

Publication number
CA280760A
CA280760A CA280760A CA280760DA CA280760A CA 280760 A CA280760 A CA 280760A CA 280760 A CA280760 A CA 280760A CA 280760D A CA280760D A CA 280760DA CA 280760 A CA280760 A CA 280760A
Authority
CA
Canada
Prior art keywords
telephone transmitter
telephone
transmitter
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
CA280760A
Other languages
English (en)
Inventor
Graham Maria
Alfred Graham Edward
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.)
GRAHAM AMPLION Ltd
Original Assignee
GRAHAM AMPLION Ltd
Publication date
Application granted granted Critical
Publication of CA280760A publication Critical patent/CA280760A/fr
Expired legal-status Critical Current

Links

CA280760A Transmetteur de telephone Expired CA280760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA280760T

Publications (1)

Publication Number Publication Date
CA280760A true CA280760A (fr) 1928-06-05

Family

ID=35213852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280760A Expired CA280760A (fr) Transmetteur de telephone

Country Status (1)

Country Link
CA (1) CA280760A (fr)

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