Rudolf Sacher Gesellschaft m.b.H.

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Vienna, AT

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Information Patent Grant
Self-supporting mask, method for production as well as use of same
- Patent number 4,370,556
- Issue date Jan 25, 1983
- Rudolf Sacher Gesellschaft m.b.H.
- Gerhard Stengl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

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