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发明名称
摘要
申请公布号
JPS6347119(U)
申请公布日期
1988.03.30
申请号
JP19860141538U
申请日期
1986.09.16
申请人
发明人
分类号
B21D37/04;B22D17/22;B29C33/30;B29C45/17;B29C45/26;(IPC1-7):B29C45/26
主分类号
B21D37/04
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代理人
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