ES70967A1 - Improvements in diaphragms for gramophone or phonograph sound boxes, for telephones and the like. - Google Patents

Improvements in diaphragms for gramophone or phonograph sound boxes, for telephones and the like.

Info

Publication number
ES70967A1
ES70967A1 ES70967A ES70967A ES70967A1 ES 70967 A1 ES70967 A1 ES 70967A1 ES 70967 A ES70967 A ES 70967A ES 70967 A ES70967 A ES 70967A ES 70967 A1 ES70967 A1 ES 70967A1
Authority
ES
Spain
Prior art keywords
gramophone
diaphragms
telephones
sound boxes
phonograph sound
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
ES70967A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES70967A priority Critical patent/ES70967A1/en
Publication of ES70967A1 publication Critical patent/ES70967A1/en
Expired legal-status Critical Current

Links

ES70967A 1919-09-25 1919-09-25 Improvements in diaphragms for gramophone or phonograph sound boxes, for telephones and the like. Expired ES70967A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES70967A ES70967A1 (en) 1919-09-25 1919-09-25 Improvements in diaphragms for gramophone or phonograph sound boxes, for telephones and the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES70967A ES70967A1 (en) 1919-09-25 1919-09-25 Improvements in diaphragms for gramophone or phonograph sound boxes, for telephones and the like.

Publications (1)

Publication Number Publication Date
ES70967A1 true ES70967A1 (en) 1919-11-01

Family

ID=64241485

Family Applications (1)

Application Number Title Priority Date Filing Date
ES70967A Expired ES70967A1 (en) 1919-09-25 1919-09-25 Improvements in diaphragms for gramophone or phonograph sound boxes, for telephones and the like.

Country Status (1)

Country Link
ES (1) ES70967A1 (en)

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