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发明名称
摘要
申请公布号
JPH0393882(U)
申请公布日期
1991.09.25
申请号
JP19890151694U
申请日期
1989.12.30
申请人
发明人
分类号
E03D9/05;(IPC1-7):E03D9/05
主分类号
E03D9/05
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代理人
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地址
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