| 申请人 |
OSAKA GAS CO LTD;NKK CORP;JAPAN STEEL & TUBE CONSTR CO LTD;DENYO CO LTD |
发明人 |
HARA YUJI;OHASHI TAKAHIKO;NAKAMURA RYUICHI;FUKUSHIMA YOICHIRO;KURODA TAKASHI;KANAYAMA KIYOSHI;YAHAGI ISAMU;KAWAZOE HISANORI;TAMAOKI HIROYUKI;HASEO OSAMU;KODERA MASATOSHI;SAITO KAZUYUKI;CHINO TAKASHI |
