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发明名称
摘要
申请公布号
JPH0510572(U)
申请公布日期
1993.02.12
申请号
JP19910056200U
申请日期
1991.07.18
申请人
发明人
分类号
E03D9/00;E03D1/24;(IPC1-7):E03D9/00
主分类号
E03D9/00
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代理人
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