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ES87247A1 - Improvements in sound reproducing apparatus for speaking machines. - Google Patents

Improvements in sound reproducing apparatus for speaking machines.

Info

Publication number
ES87247A1
ES87247A1 ES87247A ES87247A ES87247A1 ES 87247 A1 ES87247 A1 ES 87247A1 ES 87247 A ES87247 A ES 87247A ES 87247 A ES87247 A ES 87247A ES 87247 A1 ES87247 A1 ES 87247A1
Authority
ES
Spain
Prior art keywords
reproducing apparatus
sound reproducing
speaking machines
speaking
machines
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
ES87247A
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.)
Pavolini Cesare
Original Assignee
Pavolini Cesare
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 Pavolini Cesare filed Critical Pavolini Cesare
Priority to ES87247A priority Critical patent/ES87247A1/en
Publication of ES87247A1 publication Critical patent/ES87247A1/en
Expired legal-status Critical Current

Links

ES87247A 1923-11-05 1923-11-05 Improvements in sound reproducing apparatus for speaking machines. Expired ES87247A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES87247A ES87247A1 (en) 1923-11-05 1923-11-05 Improvements in sound reproducing apparatus for speaking machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES87247A ES87247A1 (en) 1923-11-05 1923-11-05 Improvements in sound reproducing apparatus for speaking machines.

Publications (1)

Publication Number Publication Date
ES87247A1 true ES87247A1 (en) 1923-12-16

Family

ID=64251995

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87247A Expired ES87247A1 (en) 1923-11-05 1923-11-05 Improvements in sound reproducing apparatus for speaking machines.

Country Status (1)

Country Link
ES (1) ES87247A1 (en)

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