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Sietse Oostra
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Roermond, NL
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last 30 patents
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Patent Grant
Substituted barium-neodymium-titanium-perovskite, dielectric, ceram...
Patent number
5,556,818
Issue date
Sep 17, 1996
U.S. Philips Corporation
Heinz Kohler
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES