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Marijke M. E. Severin
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Eindhoven, NL
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Patent Grant
Sintered transformer core of MnZn-ferrite and a transformer compris...
Patent number
5,138,546
Issue date
Aug 11, 1992
U.S. Philips Corp.
Mark T. Johnson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES