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发明名称
摘要
申请公布号
JPH0133264(Y2)
申请公布日期
1989.10.09
申请号
JP19810084691U
申请日期
1981.06.09
申请人
发明人
分类号
B22D17/32;B29C45/82;(IPC1-7):B22D17/32
主分类号
B22D17/32
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