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发明名称
摘要
申请公布号
JPH0759338(B2)
申请公布日期
1995.06.28
申请号
JP19930214947
申请日期
1993.08.05
申请人
发明人
分类号
B21J15/40;B21F5/00;B21G3/12;B21K1/60;F16B19/10;(IPC1-7):B21J15/40
主分类号
B21J15/40
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代理人
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