申请人 |
MITSUBISHI RAYON CO., LTD., TOKIO/TOKYO, JP |
发明人 |
SASKI, ISAO C/O CENTRAL RESEARCH LABORATORIES, OTAKE-SHI HIROSHIMA 739-06, JP;NISHIDA, KOZI TOYAMA PLANTS MITSUBISHI RAYONCO.LT, TOYAMA 931, JP;ANZAI, HISAO CENTRAL RESEARCH LABORATORIES, OTAKE-SHI HIROSHIMA 739-06, JP |