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发明名称
摘要
申请公布号
JPH0738358(Y2)
申请公布日期
1995.08.30
申请号
JP19900009819U
申请日期
1990.02.05
申请人
发明人
分类号
E02B9/00;E02B5/08;E02B9/04;(IPC1-7):E02B5/08
主分类号
E02B9/00
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