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Masaji Hasegawa
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Nishinomiya, JP
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last 30 patents
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Patent Grant
Reaction injection machine utilizing a plurality of reactant liquids
Patent number
5,082,437
Issue date
Jan 21, 1992
Sumitomo Rubber Industries, Ltd.
Hiroomi Matsushita
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL