CA240496A - Membrane de phonographe - Google Patents

Membrane de phonographe

Info

Publication number
CA240496A
CA240496A CA240496A CA240496DA CA240496A CA 240496 A CA240496 A CA 240496A CA 240496 A CA240496 A CA 240496A CA 240496D A CA240496D A CA 240496DA CA 240496 A CA240496 A CA 240496A
Authority
CA
Canada
Prior art keywords
phonograph
diaphragm
phonograph diaphragm
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
CA240496A
Other languages
English (en)
Inventor
Charles Augustus Valentine, Jr.
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA240496A publication Critical patent/CA240496A/fr
Expired legal-status Critical Current

Links

CA240496A Membrane de phonographe Expired CA240496A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA240496T

Publications (1)

Publication Number Publication Date
CA240496A true CA240496A (fr) 1924-05-27

Family

ID=35144527

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240496A Expired CA240496A (fr) Membrane de phonographe

Country Status (1)

Country Link
CA (1) CA240496A (fr)

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