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发明名称
摘要
申请公布号
JPS634908(B2)
申请公布日期
1988.02.01
申请号
JP19840165568
申请日期
1984.08.09
申请人
NIPPON KOGYO KK;NIPPON KOKAN KK
发明人
SAKUYAMA HIDEO;SAWAMURA ICHIRO;HANAKI MICHIO;OOCHI CHIAKI;SUENAGA HIROYOSHI
分类号
C22F1/00;B21B3/00;C22F1/18
主分类号
C22F1/00
代理机构
代理人
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