申请人 |
SUMIKIN CHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
SATO, TOSHIO, KASHIMA-GUN, IBARAGI PREFECTURE, JP;ITO, IKUO, KASHIMA-GUN, IBARAGI PREFECTURE, JP;YAMAGUCHI, HIROMICHI, KASHIMA-GUN, IBARAKI PREFECTURE, JP;TAKEDA, KYOICHI, KASHIMA-GUN, IBARAGI PREFECTURE, JP |