CH60402A - microphone - Google Patents

microphone

Info

Publication number
CH60402A
CH60402A CH60402A CH60402DA CH60402A CH 60402 A CH60402 A CH 60402A CH 60402 A CH60402 A CH 60402A CH 60402D A CH60402D A CH 60402DA CH 60402 A CH60402 A CH 60402A
Authority
CH
Switzerland
Prior art keywords
microphone
Prior art date
Application number
CH60402A
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH60402A publication Critical patent/CH60402A/en

Links

CH60402A 1912-03-14 1912-03-14 microphone CH60402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH60402T 1912-03-14

Publications (1)

Publication Number Publication Date
CH60402A true CH60402A (en) 1913-07-16

Family

ID=4303248

Family Applications (1)

Application Number Title Priority Date Filing Date
CH60402A CH60402A (en) 1912-03-14 1912-03-14 microphone

Country Status (1)

Country Link
CH (1) CH60402A (en)

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