CA287208A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number
CA287208A
CA287208A CA287208A CA287208DA CA287208A CA 287208 A CA287208 A CA 287208A CA 287208 A CA287208 A CA 287208A CA 287208D A CA287208D A CA 287208DA CA 287208 A CA287208 A CA 287208A
Authority
CA
Canada
Prior art keywords
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
CA287208A
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 CA287208A publication Critical patent/CA287208A/fr
Expired legal-status Critical Current

Links

CA287208A Haut-parleur Expired CA287208A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA287208T

Publications (1)

Publication Number Publication Date
CA287208A true CA287208A (fr) 1929-02-12

Family

ID=35224020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287208A Expired CA287208A (fr) Haut-parleur

Country Status (1)

Country Link
CA (1) CA287208A (fr)

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