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发明名称
摘要
申请公布号
JPH0517205(U)
申请公布日期
1993.03.05
申请号
JP19910066633U
申请日期
1991.08.22
申请人
发明人
分类号
E02F3/43;E02F9/22;F15B11/00;(IPC1-7):F15B11/00
主分类号
E02F3/43
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代理人
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