ES66740A1 - Improvements in the microphones. - Google Patents

Improvements in the microphones.

Info

Publication number
ES66740A1
ES66740A1 ES66740A ES66740A ES66740A1 ES 66740 A1 ES66740 A1 ES 66740A1 ES 66740 A ES66740 A ES 66740A ES 66740 A ES66740 A ES 66740A ES 66740 A1 ES66740 A1 ES 66740A1
Authority
ES
Spain
Prior art keywords
microphones
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
ES66740A
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 ES66740A priority Critical patent/ES66740A1/en
Publication of ES66740A1 publication Critical patent/ES66740A1/en
Expired legal-status Critical Current

Links

ES66740A 1918-04-10 1918-04-10 Improvements in the microphones. Expired ES66740A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES66740A ES66740A1 (en) 1918-04-10 1918-04-10 Improvements in the microphones.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES66740A ES66740A1 (en) 1918-04-10 1918-04-10 Improvements in the microphones.

Publications (1)

Publication Number Publication Date
ES66740A1 true ES66740A1 (en) 1918-05-01

Family

ID=64238603

Family Applications (1)

Application Number Title Priority Date Filing Date
ES66740A Expired ES66740A1 (en) 1918-04-10 1918-04-10 Improvements in the microphones.

Country Status (1)

Country Link
ES (1) ES66740A1 (en)

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