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发明名称
摘要
申请公布号
JPH0722809(B2)
申请公布日期
1995.03.15
申请号
JP19900003384
申请日期
1990.01.12
申请人
发明人
分类号
B22D11/10;B22D11/108;B22D11/115;(IPC1-7):B22D11/10
主分类号
B22D11/10
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代理人
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