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发明名称
摘要
申请公布号
JPS63162174(U)
申请公布日期
1988.10.24
申请号
JP19870053487U
申请日期
1987.04.10
申请人
发明人
分类号
F16K11/20;F16K31/04;(IPC1-7):F16K11/20
主分类号
F16K11/20
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代理人
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