CH25937A - Telephon-Hörschlauch - Google Patents
Telephon-HörschlauchInfo
- Publication number
- CH25937A CH25937A CH25937A CH25937DA CH25937A CH 25937 A CH25937 A CH 25937A CH 25937 A CH25937 A CH 25937A CH 25937D A CH25937D A CH 25937DA CH 25937 A CH25937 A CH 25937A
- Authority
- CH
- Switzerland
- Prior art keywords
- hearing tube
- telephone hearing
- telephone
- tube
- hearing
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH25937T | 1902-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH25937A true CH25937A (de) | 1903-07-15 |
Family
ID=4237260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH25937A CH25937A (de) | 1902-05-10 | 1902-05-10 | Telephon-Hörschlauch |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH25937A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE35051E (en) * | 1986-08-04 | 1995-10-03 | Moore; Michael R. | Combination multiple supported variable position audio intake control devices |
-
1902
- 1902-05-10 CH CH25937A patent/CH25937A/de unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE35051E (en) * | 1986-08-04 | 1995-10-03 | Moore; Michael R. | Combination multiple supported variable position audio intake control devices |
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