Trutz-Ulrich Stephani

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Erding, DE

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Patents Grantslast 30 patents

Information Patent Grant
Positive-working photosensitive mixture and photolithographic copyi...
- Patent number 4,929,534
- Issue date May 29, 1990
- Hoechst Aktiengesellschaft
- Trutz-Ulrich Stephani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY