AT23226B - Teleskopartig zusammenschiebbarer Schalltrichter für Sprechapparate. - Google Patents

Teleskopartig zusammenschiebbarer Schalltrichter für Sprechapparate.

Info

Publication number
AT23226B
AT23226B AT23226DA AT23226B AT 23226 B AT23226 B AT 23226B AT 23226D A AT23226D A AT 23226DA AT 23226 B AT23226 B AT 23226B
Authority
AT
Austria
Prior art keywords
telescopically collapsible
speaking apparatus
collapsible horn
horn
speaking
Prior art date
Application number
Other languages
English (en)
Inventor
Paul Hoffmann
Hermann Marnitz
Original Assignee
Paul Hoffmann
Hermann Marnitz
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 Paul Hoffmann, Hermann Marnitz filed Critical Paul Hoffmann
Application granted granted Critical
Publication of AT23226B publication Critical patent/AT23226B/de

Links

AT23226D 1905-03-16 1905-03-16 Teleskopartig zusammenschiebbarer Schalltrichter für Sprechapparate. AT23226B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT23226T 1905-03-16

Publications (1)

Publication Number Publication Date
AT23226B true AT23226B (de) 1906-02-26

Family

ID=3532207

Family Applications (1)

Application Number Title Priority Date Filing Date
AT23226D AT23226B (de) 1905-03-16 1905-03-16 Teleskopartig zusammenschiebbarer Schalltrichter für Sprechapparate.

Country Status (1)

Country Link
AT (1) AT23226B (de)

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