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ES87765A1 - Improvements in the diaphragms for speaking machines. - Google Patents

Improvements in the diaphragms for speaking machines.

Info

Publication number
ES87765A1
ES87765A1 ES87765A ES87765A ES87765A1 ES 87765 A1 ES87765 A1 ES 87765A1 ES 87765 A ES87765 A ES 87765A ES 87765 A ES87765 A ES 87765A ES 87765 A1 ES87765 A1 ES 87765A1
Authority
ES
Spain
Prior art keywords
diaphragms
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
ES87765A
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.)
NATALE DOMINIQUE DI
Original Assignee
NATALE DOMINIQUE DI
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 NATALE DOMINIQUE DI filed Critical NATALE DOMINIQUE DI
Priority to ES87765A priority Critical patent/ES87765A1/en
Publication of ES87765A1 publication Critical patent/ES87765A1/en
Expired legal-status Critical Current

Links

ES87765A 1923-12-21 1923-12-21 Improvements in the diaphragms for speaking machines. Expired ES87765A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES87765A ES87765A1 (en) 1923-12-21 1923-12-21 Improvements in the diaphragms for speaking machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES87765A ES87765A1 (en) 1923-12-21 1923-12-21 Improvements in the diaphragms for speaking machines.

Publications (1)

Publication Number Publication Date
ES87765A1 true ES87765A1 (en) 1924-02-16

Family

ID=64253298

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87765A Expired ES87765A1 (en) 1923-12-21 1923-12-21 Improvements in the diaphragms for speaking machines.

Country Status (1)

Country Link
ES (1) ES87765A1 (en)

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