CH38646A - Microphone perfectionné - Google Patents

Microphone perfectionné

Info

Publication number
CH38646A
CH38646A CH38646A CH38646DA CH38646A CH 38646 A CH38646 A CH 38646A CH 38646 A CH38646 A CH 38646A CH 38646D A CH38646D A CH 38646DA CH 38646 A CH38646 A CH 38646A
Authority
CH
Switzerland
Prior art keywords
microphone
advanced
advanced microphone
Prior art date
Application number
CH38646A
Other languages
English (en)
Inventor
Giuseppe Angelini
Original Assignee
Giuseppe Angelini
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 Giuseppe Angelini filed Critical Giuseppe Angelini
Publication of CH38646A publication Critical patent/CH38646A/fr

Links

CH38646A 1906-08-17 1906-08-17 Microphone perfectionné CH38646A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH38646T 1906-08-17

Publications (1)

Publication Number Publication Date
CH38646A true CH38646A (fr) 1907-11-30

Family

ID=4265107

Family Applications (1)

Application Number Title Priority Date Filing Date
CH38646A CH38646A (fr) 1906-08-17 1906-08-17 Microphone perfectionné

Country Status (1)

Country Link
CH (1) CH38646A (fr)

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