CA305490A - Instrument telephonique - Google Patents

Instrument telephonique

Info

Publication number
CA305490A
CA305490A CA305490A CA305490DA CA305490A CA 305490 A CA305490 A CA 305490A CA 305490 A CA305490 A CA 305490A CA 305490D A CA305490D A CA 305490DA CA 305490 A CA305490 A CA 305490A
Authority
CA
Canada
Prior art keywords
telephone instrument
telephone
instrument
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
CA305490A
Other languages
English (en)
Inventor
Frederic Marchant Hayes Charles
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.)
Mullard Radio Valve Co Ltd
Original Assignee
Mullard Radio Valve Co Ltd
Publication date
Application granted granted Critical
Publication of CA305490A publication Critical patent/CA305490A/fr
Expired legal-status Critical Current

Links

CA305490A Instrument telephonique Expired CA305490A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA305490T

Publications (1)

Publication Number Publication Date
CA305490A true CA305490A (fr) 1930-11-04

Family

ID=35258639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA305490A Expired CA305490A (fr) Instrument telephonique

Country Status (1)

Country Link
CA (1) CA305490A (fr)

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