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发明名称
摘要
申请公布号
JPS56165553(U)
申请公布日期
1981.12.08
申请号
JP19800065833U
申请日期
1980.05.13
申请人
发明人
分类号
B22D11/04;B22D11/055;(IPC1-7):B22D11/04
主分类号
B22D11/04
代理机构
代理人
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