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摘要
申请公布号
JP2526072(Y2)
申请公布日期
1997.02.12
申请号
JP19900102451U
申请日期
1990.09.29
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发明人
分类号
E03D9/08;(IPC1-7):E03D9/08
主分类号
E03D9/08
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