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Asajima Kazuo
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Fukui-ken, JP
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last 30 patents
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Patent Grant
Manufacturing method and equipment for large, high-purity flat or c...
Patent number
5,683,483
Issue date
Nov 4, 1997
Shin-Etsu Quartz Products Co., Ltd.
Ise Yosiaki
C03 - GLASS MINERAL OR SLAG WOOL