申请人 |
SHINAGAWA REFRACTORIES CO., LTD., TOKIO/TOKYO, JP |
发明人 |
OTSUKA, TAKASHI, OKAYAMA-KEN 703, JP;YAMAMOTO, KENJI, OKAYAMA-KEN 705, JP;OSADA, MOTOTSUGU, OKAYAMA-KEN, 705, JP;TANIGUCHI, TADO, OKAYAMA-KEN 705, JP;SHIGETA;YOSHIFUMI, SHIGETA;YOSHIFUMI, OKAYAMA-KEN 705, JP |