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发明名称
摘要
申请公布号
JPH0713900(Y2)
申请公布日期
1995.04.05
申请号
JP19900118656U
申请日期
1990.11.13
申请人
发明人
分类号
B22D17/14;B22D17/22;(IPC1-7):B22D17/14
主分类号
B22D17/14
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代理人
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