CH30655A - Mikrotelephon - Google Patents
MikrotelephonInfo
- Publication number
- CH30655A CH30655A CH30655A CH30655DA CH30655A CH 30655 A CH30655 A CH 30655A CH 30655 A CH30655 A CH 30655A CH 30655D A CH30655D A CH 30655DA CH 30655 A CH30655 A CH 30655A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH30655T | 1904-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH30655A true CH30655A (de) | 1905-01-15 |
Family
ID=4247830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH30655A CH30655A (de) | 1904-01-11 | 1904-01-11 | Mikrotelephon |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH30655A (de) |
-
1904
- 1904-01-11 CH CH30655A patent/CH30655A/de unknown
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