ES123899A1 - IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES - Google Patents

IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES

Info

Publication number
ES123899A1
ES123899A1 ES0123899A ES123899A ES123899A1 ES 123899 A1 ES123899 A1 ES 123899A1 ES 0123899 A ES0123899 A ES 0123899A ES 123899 A ES123899 A ES 123899A ES 123899 A1 ES123899 A1 ES 123899A1
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
ES0123899A
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 ES0123899A priority Critical patent/ES123899A1/en
Publication of ES123899A1 publication Critical patent/ES123899A1/en
Expired legal-status Critical Current

Links

ES0123899A 1931-08-14 1931-08-14 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES Expired ES123899A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0123899A ES123899A1 (en) 1931-08-14 1931-08-14 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0123899A ES123899A1 (en) 1931-08-14 1931-08-14 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES

Publications (1)

Publication Number Publication Date
ES123899A1 true ES123899A1 (en) 1931-09-16

Family

ID=37821261

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0123899A Expired ES123899A1 (en) 1931-08-14 1931-08-14 IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES

Country Status (1)

Country Link
ES (1) ES123899A1 (en)

Similar Documents

Publication Publication Date Title
ES123899A1 (en) IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES
ES124373A1 (en) Improvements in sound transforming devices.
ES124561A1 (en) Improvements in sound transforming devices.
FR740486A (en) Speculum
FR740070A (en) Bouterolle
ES122981A1 (en) Improvements in acoustic devices.
ES124566A1 (en) Improvements in sound recording devices.
FR713501A (en) Braces
ES138207A2 (en) IMPROVEMENTS IN SOUND TRANSFORMATION DEVICES.
FR720943A (en) Sound synchronoscope
ES123892A3 (en) IMPROVEMENTS IN THE CRICS
ES130609A1 (en) Improvements in sound receiving devices.
ES122502A1 (en) Improvements in sedimentation devices.
FI13445A (en) Handtvätt- och torkapparat
FI13388A (en) Lifebelt
FI13384A (en) Flaskpåfyllningsapparat
FI13355A (en) Tändsticksförpackning
FI13340A (en) Rosollikone
FI13326A (en) Hötalare
FI13324A (en) Riktningsbestämmande avsändningsantennn
FI13316A (en) Enkammar-tryckluftbroms
FI13313A (en) Axellagersmörjningsanordning
FI13311A (en) Gödselmedel
FI13298A (en) Suksiside
FI13297A (en) Suksiside