Alain Poncet

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Saint-Martin-D'Heres, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for determining the focussing of a photolithographic apparatus
- Patent number 5,043,236
- Issue date Aug 27, 1991
- Etat Francais represente par le Ministre des Postes, Telecommunications et de...
- Annie Tissier
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY