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发明名称
摘要
申请公布号
JPS5680944(U)
申请公布日期
1981.06.30
申请号
JP19790162340U
申请日期
1979.11.22
申请人
发明人
分类号
B22D11/08;(IPC1-7):B22D11/08
主分类号
B22D11/08
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代理人
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地址
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