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发明名称
摘要
申请公布号
JPH066202(B2)
申请公布日期
1994.01.26
申请号
JP19860216999
申请日期
1986.09.17
申请人
NISSHIN STEEL CO LTD
发明人
IDERA SHIGETOSHI
分类号
B21B13/14;B21B31/07;B21B31/08;(IPC1-7):B21B31/08
主分类号
B21B13/14
代理机构
代理人
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