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发明名称
摘要
申请公布号
JPH0228350(U)
申请公布日期
1990.02.23
申请号
JP19880106868U
申请日期
1988.08.12
申请人
发明人
分类号
B22C13/12;B22C15/24;(IPC1-7):B22C15/24
主分类号
B22C13/12
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代理人
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