ES138207A2 - IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES. - Google Patents

IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES.

Info

Publication number
ES138207A2
ES138207A2 ES0138207A ES138207A ES138207A2 ES 138207 A2 ES138207 A2 ES 138207A2 ES 0138207 A ES0138207 A ES 0138207A ES 138207 A ES138207 A ES 138207A ES 138207 A2 ES138207 A2 ES 138207A2
Authority
ES
Spain
Prior art keywords
transformation devices
sound transformation
sound
devices
transformation
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
ES0138207A
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 ES0138207A priority Critical patent/ES138207A2/en
Publication of ES138207A2 publication Critical patent/ES138207A2/en
Expired legal-status Critical Current

Links

ES0138207A 1935-04-25 1935-04-25 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES. Expired ES138207A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0138207A ES138207A2 (en) 1935-04-25 1935-04-25 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0138207A ES138207A2 (en) 1935-04-25 1935-04-25 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES.

Publications (1)

Publication Number Publication Date
ES138207A2 true ES138207A2 (en) 1935-09-01

Family

ID=38424765

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0138207A Expired ES138207A2 (en) 1935-04-25 1935-04-25 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES.

Country Status (1)

Country Link
ES (1) ES138207A2 (en)

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