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ES131698A1 - Improvements in the printing or electrical recording of sound. - Google Patents

Improvements in the printing or electrical recording of sound.

Info

Publication number
ES131698A1
ES131698A1 ES131698A ES131698A ES131698A1 ES 131698 A1 ES131698 A1 ES 131698A1 ES 131698 A ES131698 A ES 131698A ES 131698 A ES131698 A ES 131698A ES 131698 A1 ES131698 A1 ES 131698A1
Authority
ES
Spain
Prior art keywords
printing
sound
electrical recording
recording
electrical
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
ES131698A
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.)
RCA Corp
Original Assignee
Radio Corporation of America
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 Radio Corporation of America filed Critical Radio Corporation of America
Priority to ES131698A priority Critical patent/ES131698A1/en
Publication of ES131698A1 publication Critical patent/ES131698A1/en
Expired legal-status Critical Current

Links

ES131698A 1933-08-28 1933-08-28 Improvements in the printing or electrical recording of sound. Expired ES131698A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES131698A ES131698A1 (en) 1933-08-28 1933-08-28 Improvements in the printing or electrical recording of sound.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES131698A ES131698A1 (en) 1933-08-28 1933-08-28 Improvements in the printing or electrical recording of sound.

Publications (1)

Publication Number Publication Date
ES131698A1 true ES131698A1 (en) 1933-10-16

Family

ID=65587539

Family Applications (1)

Application Number Title Priority Date Filing Date
ES131698A Expired ES131698A1 (en) 1933-08-28 1933-08-28 Improvements in the printing or electrical recording of sound.

Country Status (1)

Country Link
ES (1) ES131698A1 (en)

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