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发明名称
摘要
申请公布号
JPH0192501(U)
申请公布日期
1989.06.16
申请号
JP19870188463U
申请日期
1987.12.11
申请人
发明人
分类号
E02F9/22;F15B11/02;F15B11/028;(IPC1-7):F15B11/02
主分类号
E02F9/22
代理机构
代理人
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