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发明名称
摘要
申请公布号
JPH04105976(U)
申请公布日期
1992.09.11
申请号
JP19910015734U
申请日期
1991.02.26
申请人
发明人
分类号
F04B53/02;F04B53/12;F16J15/16;F16J15/32;F16J15/56;(IPC1-7):F04B21/04;F04B21/00
主分类号
F04B53/02
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