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Housaku YONETSU
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Tokyo, JP
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last 30 patents
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Patent Grant
Vacuum degassing apparatus, apparatus for producing glass products...
Patent number
8,720,229
Issue date
May 13, 2014
Asahi Glass Company, Limited
Rei Kitamura
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
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Patent Application
VACUUM DEGASSING APPARATUS, APPARATUS FOR PRODUCING GLASS PRODUCTS...
Publication number
20110016922
Publication date
Jan 27, 2011
ASAHI GLASS COMPANY, LIMITED
Rei KITAMURA
C03 - GLASS MINERAL OR SLAG WOOL