申请人 |
KOMATSU LTD.;KOMATSU PLASTICS INDUSTRY CO., LTD. |
发明人 |
KIKUCHI, MASAO, TECHNICAL INSTITUTE OF;HOSOKAWA, JUNJI, TECHNICAL INSTITUTE OF;SUMITANI, AKIRA, TECHNICAL INSTITUTE OF;AKIMOTO, HARUHITO, TECHNICAL INSTITUTE OF;ABEKAWA, TOSHIHARU, TECHNICAL INSTITUTE OF;SHIMOZONO, SHUJI. TECHNICAL INSTITUTE OF;OZAWA, NOBUYUKI |