CA221267A - Ecouteur telephonique - Google Patents

Ecouteur telephonique

Info

Publication number
CA221267A
CA221267A CA221267A CA221267DA CA221267A CA 221267 A CA221267 A CA 221267A CA 221267 A CA221267 A CA 221267A CA 221267D A CA221267D A CA 221267DA CA 221267 A CA221267 A CA 221267A
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
CA221267A
Other languages
English (en)
Inventor
Hausdorf Erich
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 CA221267A publication Critical patent/CA221267A/fr
Expired legal-status Critical Current

Links

CA221267A Ecouteur telephonique Expired CA221267A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA221267T

Publications (1)

Publication Number Publication Date
CA221267A true CA221267A (fr) 1922-07-25

Family

ID=35116870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA221267A Expired CA221267A (fr) Ecouteur telephonique

Country Status (1)

Country Link
CA (1) CA221267A (fr)

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