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ES22735A1 - Un micrófono de polvos de carbón. - Google Patents

Un micrófono de polvos de carbón.

Info

Publication number
ES22735A1
ES22735A1 ES22735A ES22735A ES22735A1 ES 22735 A1 ES22735 A1 ES 22735A1 ES 22735 A ES22735 A ES 22735A ES 22735 A ES22735 A ES 22735A ES 22735 A1 ES22735 A1 ES 22735A1
Authority
ES
Spain
Prior art keywords
microphone
carbon dust
dust
carbon
dust microphone
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
ES22735A
Other languages
English (en)
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 ES22735A priority Critical patent/ES22735A1/es
Publication of ES22735A1 publication Critical patent/ES22735A1/es
Expired legal-status Critical Current

Links

ES22735A 1898-06-03 1898-06-03 Un micrófono de polvos de carbón. Expired ES22735A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES22735A ES22735A1 (es) 1898-06-03 1898-06-03 Un micrófono de polvos de carbón.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES22735A ES22735A1 (es) 1898-06-03 1898-06-03 Un micrófono de polvos de carbón.

Publications (1)

Publication Number Publication Date
ES22735A1 true ES22735A1 (es) 1898-07-01

Family

ID=64175860

Family Applications (1)

Application Number Title Priority Date Filing Date
ES22735A Expired ES22735A1 (es) 1898-06-03 1898-06-03 Un micrófono de polvos de carbón.

Country Status (1)

Country Link
ES (1) ES22735A1 (es)

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