CH49724A - Sprechscheibe - Google Patents

Sprechscheibe

Info

Publication number
CH49724A
CH49724A CH49724A CH49724DA CH49724A CH 49724 A CH49724 A CH 49724A CH 49724 A CH49724 A CH 49724A CH 49724D A CH49724D A CH 49724DA CH 49724 A CH49724 A CH 49724A
Authority
CH
Switzerland
Prior art keywords
talking
disc
talking disc
Prior art date
Application number
CH49724A
Other languages
English (en)
Inventor
Alfred Pechan
Original Assignee
Alfred Pechan
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 Alfred Pechan filed Critical Alfred Pechan
Publication of CH49724A publication Critical patent/CH49724A/de

Links

CH49724A 1909-09-23 1909-09-23 Sprechscheibe CH49724A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH49724T 1909-09-23

Publications (1)

Publication Number Publication Date
CH49724A true CH49724A (de) 1911-03-16

Family

ID=4285716

Family Applications (1)

Application Number Title Priority Date Filing Date
CH49724A CH49724A (de) 1909-09-23 1909-09-23 Sprechscheibe

Country Status (1)

Country Link
CH (1) CH49724A (de)

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