CH60402A - microphone - Google Patents
microphoneInfo
- 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
Links
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) |
-
1912
- 1912-03-14 CH CH60402A patent/CH60402A/en unknown
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