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发明名称
摘要
申请公布号
JPH0517180(U)
申请公布日期
1993.03.05
申请号
JP19910045175U
申请日期
1991.05.20
申请人
发明人
分类号
F04B49/06;F04B17/04;(IPC1-7):F04B17/04
主分类号
F04B49/06
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代理人
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