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发明名称
摘要
申请公布号
JPS5915721(B2)
申请公布日期
1984.04.11
申请号
JP19760117535
申请日期
1976.09.30
申请人
ISHIKAWAJIMAHARIMA JUKOGYO KK;NIPPON KOKAN KK
发明人
KATO HEIJI;AKITA SHINJI;NUMANO MASAMUTSU
分类号
B21B25/06;B21B25/00
主分类号
B21B25/06
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