VENTILSITZMATERIAL
NAGASAKA,YUSUKE, KUROISHI,NOBUHITO, HAGIWARA,YOSHITOSHI, MOTOYOSHI,KENYA, TAKAGI,YOSHIAKI, OSAWA,MAKOTO
Year of Publication 18.09.1975
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Year of Publication 18.09.1975
Patent
Method of forming mold and core for metal casting
ZENPO TOSHIHIKO,KATO YUSUKE,ASANO NORIHIRO,NAGASAKA MASAHIKO,NISHIKAWA KAZUYUKI
Year of Publication 13.12.2006
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Year of Publication 13.12.2006
Patent