Patent for a device for projecting backgrounds. Geyling, Planner, 1932 (Q38410)

From CanonBase

No description defined

No description defined
  • AT107235B
Language Label Description Also known as
English
Patent for a device for projecting backgrounds. Geyling, Planner, 1932
No description defined
  • AT107235B

Statements

 

              Wikidata