CH57339A - Zusammenlegbares Horn für Sprechapparate - Google Patents

Zusammenlegbares Horn für Sprechapparate

Info

Publication number
CH57339A
CH57339A CH57339A CH57339DA CH57339A CH 57339 A CH57339 A CH 57339A CH 57339 A CH57339 A CH 57339A CH 57339D A CH57339D A CH 57339DA CH 57339 A CH57339 A CH 57339A
Authority
CH
Switzerland
Prior art keywords
speaking devices
collapsible horn
collapsible
horn
speaking
Prior art date
Application number
CH57339A
Other languages
English (en)
Inventor
Rudolph A. Firma Meier
Original Assignee
Meier Rudolph A Fa
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 Meier Rudolph A Fa filed Critical Meier Rudolph A Fa
Publication of CH57339A publication Critical patent/CH57339A/de

Links

CH57339A 1911-10-19 1911-10-19 Zusammenlegbares Horn für Sprechapparate CH57339A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH57339T 1911-10-19

Publications (1)

Publication Number Publication Date
CH57339A true CH57339A (de) 1913-01-02

Family

ID=4298451

Family Applications (1)

Application Number Title Priority Date Filing Date
CH57339A CH57339A (de) 1911-10-19 1911-10-19 Zusammenlegbares Horn für Sprechapparate

Country Status (1)

Country Link
CH (1) CH57339A (de)

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