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发明名称
摘要
申请公布号
JPS63184668(U)
申请公布日期
1988.11.28
申请号
JP19870074481U
申请日期
1987.05.20
申请人
发明人
分类号
B22D11/10;B22D41/08;B22D41/56;(IPC1-7):B22D41/08
主分类号
B22D11/10
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代理人
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