Process for achieving coloured light effects for stage purposes. Addition to patent 280509 Von Salzmann (Q22947)
From CanonBase
Revision as of 08:44, 13 March 2025 by Purkertcz (talk | contribs) (Removed claim: Property:P74: DE000000281536A_all_pages.pdf, #quickstatements; #temporary_batch_1741855370183)
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Process for achieving coloured light effects for stage purposes. Addition to patent 280509 Von Salzmann | No description defined |
Statements
24 October 1913Gregorian
0 references