CH57642A - Silencers for the human ear - Google Patents
Silencers for the human earInfo
- Publication number
- CH57642A CH57642A CH57642A CH57642DA CH57642A CH 57642 A CH57642 A CH 57642A CH 57642 A CH57642 A CH 57642A CH 57642D A CH57642D A CH 57642DA CH 57642 A CH57642 A CH 57642A
- Authority
- CH
- Switzerland
- Prior art keywords
- silencers
- human ear
- ear
- human
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH57642T | 1912-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH57642A true CH57642A (en) | 1913-01-16 |
Family
ID=4298945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH57642A CH57642A (en) | 1912-05-25 | 1912-05-25 | Silencers for the human ear |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH57642A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4010629A1 (en) * | 1990-04-03 | 1991-10-17 | Angelika Stimm | Pad for protecting hearing - has surface which matches contours of ear |
-
1912
- 1912-05-25 CH CH57642A patent/CH57642A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4010629A1 (en) * | 1990-04-03 | 1991-10-17 | Angelika Stimm | Pad for protecting hearing - has surface which matches contours of ear |
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