CH32741A - microphone - Google Patents

microphone

Info

Publication number
CH32741A
CH32741A CH32741A CH32741DA CH32741A CH 32741 A CH32741 A CH 32741A CH 32741 A CH32741 A CH 32741A CH 32741D A CH32741D A CH 32741DA CH 32741 A CH32741 A CH 32741A
Authority
CH
Switzerland
Prior art keywords
microphone
Prior art date
Application number
CH32741A
Other languages
German (de)
Inventor
Franz Treyer
Original Assignee
Franz Treyer
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 Franz Treyer filed Critical Franz Treyer
Publication of CH32741A publication Critical patent/CH32741A/en

Links

CH32741A 1905-02-15 1905-02-15 microphone CH32741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH32741T 1905-02-15

Publications (1)

Publication Number Publication Date
CH32741A true CH32741A (en) 1905-09-15

Family

ID=4252427

Family Applications (1)

Application Number Title Priority Date Filing Date
CH32741A CH32741A (en) 1905-02-15 1905-02-15 microphone

Country Status (1)

Country Link
CH (1) CH32741A (en)

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