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发明名称
摘要
申请公布号
JPH0738356(Y2)
申请公布日期
1995.08.30
申请号
JP19890117819U
申请日期
1989.10.06
申请人
发明人
分类号
E02B3/06;(IPC1-7):E02B3/06
主分类号
E02B3/06
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代理人
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