申请人 |
MARUZEN PETROCHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
TSUCHITANI, MASATOSHI;TAMURA, MAKOTO;SUZUKI, KIYOTAKA, E-5404, MARUZEN SEKIYU KA, GAKU;OKADA, SHUJI, B-2402, MARUZEN SEKIYU KAGAK;NAKAJIMA, RYOICHI, ICHIHARA-SHI, CHIBA-KEN, JP;NAITO, SAKAE, CHIBA-SHI, CHIBA-KEN, JP |