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Inventor
YANAGA YUKIO
JP
2 patents
Patents
2 patents
US4438256A
Mar 20, 1984
Copolyamide acid and copolyimide
MITSUBISHI CHEM IND
6 citations
70
US4952319A
Aug 28, 1990
Process for separating liquid mixture
MITSUBISHI CHEM IND
10 citations
60