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ES84737A1 - Improvements in diaphragm-holder rings or washers for speaking machines and other acoustic devices. - Google Patents

Improvements in diaphragm-holder rings or washers for speaking machines and other acoustic devices.

Info

Publication number
ES84737A1
ES84737A1 ES84737A ES84737A ES84737A1 ES 84737 A1 ES84737 A1 ES 84737A1 ES 84737 A ES84737 A ES 84737A ES 84737 A ES84737 A ES 84737A ES 84737 A1 ES84737 A1 ES 84737A1
Authority
ES
Spain
Prior art keywords
washers
diaphragm
acoustic devices
holder rings
speaking machines
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
ES84737A
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 ES84737A priority Critical patent/ES84737A1/en
Publication of ES84737A1 publication Critical patent/ES84737A1/en
Expired legal-status Critical Current

Links

ES84737A 1923-03-15 1923-03-15 Improvements in diaphragm-holder rings or washers for speaking machines and other acoustic devices. Expired ES84737A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES84737A ES84737A1 (en) 1923-03-15 1923-03-15 Improvements in diaphragm-holder rings or washers for speaking machines and other acoustic devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES84737A ES84737A1 (en) 1923-03-15 1923-03-15 Improvements in diaphragm-holder rings or washers for speaking machines and other acoustic devices.

Publications (1)

Publication Number Publication Date
ES84737A1 true ES84737A1 (en) 1923-06-01

Family

ID=64261633

Family Applications (1)

Application Number Title Priority Date Filing Date
ES84737A Expired ES84737A1 (en) 1923-03-15 1923-03-15 Improvements in diaphragm-holder rings or washers for speaking machines and other acoustic devices.

Country Status (1)

Country Link
ES (1) ES84737A1 (en)

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