申请人 |
KURITA WATER INDUSTRIES, LTD., TOKIO/TOKYO, JP;SANYO CHEMICAL INDUSTRIES, LTD., KYOTO, JP |
发明人 |
SATO, SHIGERU, KURITA WATER INDUSTRIES LTD., TOKYO 160, JP;OHSHIMIZU, HISAO, KURITA WATER INDUSTRIES LTD., TOKYO 160, JP;KAWAGUCHI, SHINOBU, SANYO CHEMICAL INDUSTRIES LTD., KYOTO-SHI, KYOTO 605, JP |