Patent for Bühnenprojektionseinrichtung (Q38416)

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Revision as of 15:37, 13 February 2025 by ChrisVG (talk | contribs) (‎Added [en] description: Method for short trow backdrop projection with corrected slides.)

Method for short trow backdrop projection with corrected slides.

Method for short trow backdrop projection with corrected slides.
  • AT103438B
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English
Patent for Bühnenprojektionseinrichtung
Method for short trow backdrop projection with corrected slides.
  • AT103438B

Statements

 

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