| 申请人 |
KENSETSUSHO DOBOKU KENKYU SHOCHO;DOBOKU KENKYU CENTER;SHOWA REKISEI KOGYO KK;TOA DORO KOGYO KK;NICHIREKI CHEM IND CO LTD;NISSHIN KASEI KK;NIPPON ZEON CO LTD;JAPAN SYNTHETIC RUBBER CO LTD;FUJI YUGIYOU KK |
发明人 |
IIJIMA TAKASHI;OOTA KENJI;ONISHI RENICHI;KAWANO TOSHIYUKI;KONNO RIYOUJI;SAITO TAKASHI;SAKAMOTO HIROYUKI;SASAKI KATSUO;NUKADA MINORU |
