ES124373A1 - Improvements in sound transforming devices. - Google Patents

Improvements in sound transforming devices.

Info

Publication number
ES124373A1
ES124373A1 ES124373A ES124373A ES124373A1 ES 124373 A1 ES124373 A1 ES 124373A1 ES 124373 A ES124373 A ES 124373A ES 124373 A ES124373 A ES 124373A ES 124373 A1 ES124373 A1 ES 124373A1
Authority
ES
Spain
Prior art keywords
transforming devices
sound transforming
sound
devices
transforming
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
ES124373A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Priority to ES124373A priority Critical patent/ES124373A1/en
Publication of ES124373A1 publication Critical patent/ES124373A1/en
Expired legal-status Critical Current

Links

ES124373A 1931-10-03 1931-10-03 Improvements in sound transforming devices. Expired ES124373A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES124373A ES124373A1 (en) 1931-10-03 1931-10-03 Improvements in sound transforming devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES124373A ES124373A1 (en) 1931-10-03 1931-10-03 Improvements in sound transforming devices.

Publications (1)

Publication Number Publication Date
ES124373A1 true ES124373A1 (en) 1931-11-16

Family

ID=65581574

Family Applications (1)

Application Number Title Priority Date Filing Date
ES124373A Expired ES124373A1 (en) 1931-10-03 1931-10-03 Improvements in sound transforming devices.

Country Status (1)

Country Link
ES (1) ES124373A1 (en)

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