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发明名称
摘要
申请公布号
JPS6410287(B2)
申请公布日期
1989.02.21
申请号
JP19850093423
申请日期
1985.04.30
申请人
KAWASAKI STEEL CO
发明人
MASUNO YASUHIKO;AKAGI HIROMITSU
分类号
B21C47/34;B21C47/16
主分类号
B21C47/34
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