CA225637A - Ecouteur telephonique - Google Patents

Ecouteur telephonique

Info

Publication number
CA225637A
CA225637A CA225637A CA225637DA CA225637A CA 225637 A CA225637 A CA 225637A CA 225637 A CA225637 A CA 225637A CA 225637D A CA225637D A CA 225637DA CA 225637 A CA225637 A CA 225637A
Authority
CA
Canada
Prior art keywords
telephone receiver
telephone
receiver
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
CA225637A
Other languages
English (en)
Inventor
Steinberger Louis
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA225637A publication Critical patent/CA225637A/fr
Expired legal-status Critical Current

Links

CA225637A Ecouteur telephonique Expired CA225637A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA225637T

Publications (1)

Publication Number Publication Date
CA225637A true CA225637A (fr) 1922-11-07

Family

ID=35121240

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225637A Expired CA225637A (fr) Ecouteur telephonique

Country Status (1)

Country Link
CA (1) CA225637A (fr)

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