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发明名称
摘要
申请公布号
JPH0383284(U)
申请公布日期
1991.08.23
申请号
JP19890142020U
申请日期
1989.12.11
申请人
发明人
分类号
E03D5/10;E03D11/00;(IPC1-7):E03D11/00
主分类号
E03D5/10
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代理人
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