申请人 |
ARAKAWA KAGAKU KOGYO K.K., OSAKA, JP |
发明人 |
MAEDA, MASAO, RESEARCH & DEVELOPMENT LABORATORY, 3-CHOME, JYOTO-KU, OSAKA 536, JP;YAMADA, YUKIHARU, RES. & DEVELOPMENT LABORATORY, 3-CHOME, JYOTO-KU, OSAKA 536, JP;KOBA, YUTAKA, RESEARCH & DEVELOPMENT LABORATORY, 3-CHOME, JYOTO-KU, OSAKA 536, JP |