CH52179A - Projektionsschirm - Google Patents

Projektionsschirm

Info

Publication number
CH52179A
CH52179A CH52179A CH52179DA CH52179A CH 52179 A CH52179 A CH 52179A CH 52179 A CH52179 A CH 52179A CH 52179D A CH52179D A CH 52179DA CH 52179 A CH52179 A CH 52179A
Authority
CH
Switzerland
Prior art keywords
projection screen
projection
screen
Prior art date
Application number
CH52179A
Other languages
English (en)
Inventor
Prana Gesellschaft Fue Haftung
Original Assignee
Prana Ges Fuer Tageslicht Proj
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 Prana Ges Fuer Tageslicht Proj filed Critical Prana Ges Fuer Tageslicht Proj
Publication of CH52179A publication Critical patent/CH52179A/de

Links

CH52179A 1910-06-29 1910-06-29 Projektionsschirm CH52179A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH52179T 1910-06-29

Publications (1)

Publication Number Publication Date
CH52179A true CH52179A (de) 1911-11-01

Family

ID=4289908

Family Applications (1)

Application Number Title Priority Date Filing Date
CH52179A CH52179A (de) 1910-06-29 1910-06-29 Projektionsschirm

Country Status (1)

Country Link
CH (1) CH52179A (de)

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