申请人 |
NIPPON KOKAN KK |
发明人 |
HIROSHI KURODA, YOSHIKAZU FUKUOKA, HIROSHI NAEMURA, TAKAYOSHI SHIMOMURA, YOSHIAKI KAWASOKO, TOMIHISA TAKAHATA ET MITSUHIRO SUGITA;FUKUOKA YOSHIKAZU;NAEMURA HIROSHI;SHIMOMURA TAKAYOSHI;KAWASOKO YOSHIAKI;TAKAHATA TOMIHISA;SUGITA MITSUHIRO |