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发明名称
摘要
申请公布号
JP2580334(Y2)
申请公布日期
1998.09.10
申请号
JP19910068269U
申请日期
1991.07.31
申请人
发明人
分类号
F16K11/22;F15B1/00;F15B1/02;F16K17/04;(IPC1-7):F16K17/04
主分类号
F16K11/22
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