ES111356A1 - Improvements in acoustic equipment. - Google Patents

Improvements in acoustic equipment.

Info

Publication number
ES111356A1
ES111356A1 ES111356A ES111356A ES111356A1 ES 111356 A1 ES111356 A1 ES 111356A1 ES 111356 A ES111356 A ES 111356A ES 111356 A ES111356 A ES 111356A ES 111356 A1 ES111356 A1 ES 111356A1
Authority
ES
Spain
Prior art keywords
acoustic equipment
acoustic
equipment
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
ES111356A
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 ES111356A priority Critical patent/ES111356A1/en
Publication of ES111356A1 publication Critical patent/ES111356A1/en
Expired legal-status Critical Current

Links

ES111356A 1929-01-31 1929-01-31 Improvements in acoustic equipment. Expired ES111356A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES111356A ES111356A1 (en) 1929-01-31 1929-01-31 Improvements in acoustic equipment.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES111356A ES111356A1 (en) 1929-01-31 1929-01-31 Improvements in acoustic equipment.

Publications (1)

Publication Number Publication Date
ES111356A1 true ES111356A1 (en) 1929-04-01

Family

ID=65573078

Family Applications (1)

Application Number Title Priority Date Filing Date
ES111356A Expired ES111356A1 (en) 1929-01-31 1929-01-31 Improvements in acoustic equipment.

Country Status (1)

Country Link
ES (1) ES111356A1 (en)

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