CA381450A - Aide a surdite - Google Patents

Aide a surdite

Info

Publication number
CA381450A
CA381450A CA381450A CA381450DA CA381450A CA 381450 A CA381450 A CA 381450A CA 381450 A CA381450 A CA 381450A CA 381450D A CA381450D A CA 381450DA CA 381450 A CA381450 A CA 381450A
Authority
CA
Canada
Prior art keywords
hearing
aid
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
CA381450A
Other languages
English (en)
Inventor
A. Pearson Harry
Christ Nicholides Emmanuel
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.)
Sonotone Corp
Original Assignee
Sonotone Corp
Publication date
Application granted granted Critical
Publication of CA381450A publication Critical patent/CA381450A/fr
Expired legal-status Critical Current

Links

CA381450A Aide a surdite Expired CA381450A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381450T

Publications (1)

Publication Number Publication Date
CA381450A true CA381450A (fr) 1939-05-16

Family

ID=35386690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381450A Expired CA381450A (fr) Aide a surdite

Country Status (1)

Country Link
CA (1) CA381450A (fr)

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