ES51028A1 - Improvements in the diaphragms of speaking machines. - Google Patents

Improvements in the diaphragms of speaking machines.

Info

Publication number
ES51028A1
ES51028A1 ES51028A ES51028A ES51028A1 ES 51028 A1 ES51028 A1 ES 51028A1 ES 51028 A ES51028 A ES 51028A ES 51028 A ES51028 A ES 51028A ES 51028 A1 ES51028 A1 ES 51028A1
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
ES51028A
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Priority to ES51028A priority Critical patent/ES51028A1/en
Publication of ES51028A1 publication Critical patent/ES51028A1/en
Expired legal-status Critical Current

Links

ES51028A 1911-07-22 1911-07-22 Improvements in the diaphragms of speaking machines. Expired ES51028A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES51028A ES51028A1 (en) 1911-07-22 1911-07-22 Improvements in the diaphragms of speaking machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES51028A ES51028A1 (en) 1911-07-22 1911-07-22 Improvements in the diaphragms of speaking machines.

Publications (1)

Publication Number Publication Date
ES51028A1 true ES51028A1 (en) 1911-11-16

Family

ID=64229206

Family Applications (1)

Application Number Title Priority Date Filing Date
ES51028A Expired ES51028A1 (en) 1911-07-22 1911-07-22 Improvements in the diaphragms of speaking machines.

Country Status (1)

Country Link
ES (1) ES51028A1 (en)

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