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Masahiko Nakatani
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Yokosuka, JP
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last 30 patents
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Patent Grant
Method of manufacturing ceramic products, and a method of manufactu...
Patent number
5,043,117
Issue date
Aug 27, 1991
NHK Spring Co., Ltd.
Takaji Adachi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES