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发明名称
摘要
申请公布号
JPS63146202(U)
申请公布日期
1988.09.27
申请号
JP19870040658U
申请日期
1987.03.18
申请人
发明人
分类号
F16K31/12;F15B11/08;(IPC1-7):F15B11/08
主分类号
F16K31/12
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