CA298452A - Haut parleur - Google Patents

Haut parleur

Info

Publication number
CA298452A
CA298452A CA298452A CA298452DA CA298452A CA 298452 A CA298452 A CA 298452A CA 298452 A CA298452 A CA 298452A CA 298452D A CA298452D A CA 298452DA CA 298452 A CA298452 A CA 298452A
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
CA298452A
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 CA298452A publication Critical patent/CA298452A/fr
Expired legal-status Critical Current

Links

CA298452A Haut parleur Expired CA298452A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298452T

Publications (1)

Publication Number Publication Date
CA298452A true CA298452A (fr) 1930-03-18

Family

ID=35235771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298452A Expired CA298452A (fr) Haut parleur

Country Status (1)

Country Link
CA (1) CA298452A (fr)

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