CA292812A - Haut parleur - Google Patents

Haut parleur

Info

Publication number
CA292812A
CA292812A CA292812A CA292812DA CA292812A CA 292812 A CA292812 A CA 292812A CA 292812 A CA292812 A CA 292812A CA 292812D A CA292812D A CA 292812DA CA 292812 A CA292812 A CA 292812A
Authority
CA
Canada
Prior art keywords
loud speaker
loud
speaker
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
CA292812A
Other languages
English (en)
Inventor
P. Minton John
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA292812A publication Critical patent/CA292812A/fr
Expired legal-status Critical Current

Links

CA292812A Haut parleur Expired CA292812A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA292812T

Publications (1)

Publication Number Publication Date
CA292812A true CA292812A (fr) 1929-09-03

Family

ID=35230131

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292812A Expired CA292812A (fr) Haut parleur

Country Status (1)

Country Link
CA (1) CA292812A (fr)

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