CA292381A - Haut parleur - Google Patents

Haut parleur

Info

Publication number
CA292381A
CA292381A CA292381A CA292381DA CA292381A CA 292381 A CA292381 A CA 292381A CA 292381 A CA292381 A CA 292381A CA 292381D A CA292381D A CA 292381DA CA 292381 A CA292381 A CA 292381A
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
CA292381A
Other languages
English (en)
Inventor
C. Hopkins Marcus
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.)
HOPKINS Corp
Original Assignee
HOPKINS Corp
Publication date
Application granted granted Critical
Publication of CA292381A publication Critical patent/CA292381A/fr
Expired legal-status Critical Current

Links

CA292381A Haut parleur Expired CA292381A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA292381T

Publications (1)

Publication Number Publication Date
CA292381A true CA292381A (fr) 1929-08-20

Family

ID=35229194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292381A Expired CA292381A (fr) Haut parleur

Country Status (1)

Country Link
CA (1) CA292381A (fr)

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