ES117298A1 - Perfections in the acoustic diaphragms. - Google Patents

Perfections in the acoustic diaphragms.

Info

Publication number
ES117298A1
ES117298A1 ES117298A ES117298A ES117298A1 ES 117298 A1 ES117298 A1 ES 117298A1 ES 117298 A ES117298 A ES 117298A ES 117298 A ES117298 A ES 117298A ES 117298 A1 ES117298 A1 ES 117298A1
Authority
ES
Spain
Prior art keywords
perfections
acoustic diaphragms
diaphragms
acoustic
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
ES117298A
Other languages
Spanish (es)
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gramophone Co Ltd filed Critical Gramophone Co Ltd
Priority to ES117298A priority Critical patent/ES117298A1/en
Publication of ES117298A1 publication Critical patent/ES117298A1/en
Expired legal-status Critical Current

Links

ES117298A 1930-03-15 1930-03-15 Perfections in the acoustic diaphragms. Expired ES117298A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES117298A ES117298A1 (en) 1930-03-15 1930-03-15 Perfections in the acoustic diaphragms.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES117298A ES117298A1 (en) 1930-03-15 1930-03-15 Perfections in the acoustic diaphragms.

Publications (1)

Publication Number Publication Date
ES117298A1 true ES117298A1 (en) 1930-04-01

Family

ID=65579778

Family Applications (1)

Application Number Title Priority Date Filing Date
ES117298A Expired ES117298A1 (en) 1930-03-15 1930-03-15 Perfections in the acoustic diaphragms.

Country Status (1)

Country Link
ES (1) ES117298A1 (en)

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