CH27824A - Instrument for amplifying weak tones - Google Patents
Instrument for amplifying weak tonesInfo
- Publication number
- CH27824A CH27824A CH27824A CH27824DA CH27824A CH 27824 A CH27824 A CH 27824A CH 27824 A CH27824 A CH 27824A CH 27824D A CH27824D A CH 27824DA CH 27824 A CH27824 A CH 27824A
- Authority
- CH
- Switzerland
- Prior art keywords
- instrument
- amplifying weak
- weak tones
- tones
- amplifying
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH27824T | 1903-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH27824A true CH27824A (en) | 1904-02-29 |
Family
ID=4241457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH27824A CH27824A (en) | 1903-03-10 | 1903-03-10 | Instrument for amplifying weak tones |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH27824A (en) |
-
1903
- 1903-03-10 CH CH27824A patent/CH27824A/en unknown
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