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发明名称
摘要
申请公布号
JPS6225052(U)
申请公布日期
1987.02.16
申请号
JP19850115236U
申请日期
1985.07.27
申请人
发明人
分类号
B22D31/00;(IPC1-7):B22D31/00
主分类号
B22D31/00
代理机构
代理人
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地址
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