申请人 |
MITSUBISHI RAYON CO., LTD., TOKIO/TOKYO, JP |
发明人 |
SASAKI, ISAO C/O CENTRAL RESEARCH LABORATORIES, OTAKE-SHI HIROSHIMA, JP;NISHIDA, KOZI C/O TOYAMA PLANTS /, TOYAMA-SHI TOYAMA, JP;ANZAI, HISAO C/O CENTRAL RESEARCH LABORATORIES, 20-1 MIYUKI-CHO OTAKE-SHI HIROSHIMA, JP |