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
Application number
Other languages
English (en)
Inventor
Hausdorf Erich
Original Assignee
Hausdorf Erich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hausdorf Erich filed Critical Hausdorf Erich
Publication of CH189515A publication Critical patent/CH189515A/de

Links

CH189515D 1934-02-02 1935-01-18 Telephonhörer. CH189515A (de)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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