CH189515A - Telephonhörer. - Google Patents
Telephonhörer.Info
- Publication number
- CH189515A CH189515A CH189515DA CH189515A CH 189515 A CH189515 A CH 189515A CH 189515D A CH189515D A CH 189515DA CH 189515 A CH189515 A CH 189515A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephone receiver
- telephone
- receiver
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE189515X | 1934-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH189515A true CH189515A (de) | 1937-02-28 |
Family
ID=5721360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH189515D CH189515A (de) | 1934-02-02 | 1935-01-18 | Telephonhörer. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH189515A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE943357C (de) * | 1952-11-25 | 1956-05-17 | Telefonbau & Normalzeit Gmbh | Elektroakustischer Wandler, insbesondere Hoererkapsel fuer Mikrotelefone von Fernsprechapparaten |
-
1935
- 1935-01-18 CH CH189515D patent/CH189515A/de unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE943357C (de) * | 1952-11-25 | 1956-05-17 | Telefonbau & Normalzeit Gmbh | Elektroakustischer Wandler, insbesondere Hoererkapsel fuer Mikrotelefone von Fernsprechapparaten |
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