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发明名称
摘要
申请公布号
JPH0336776(Y2)
申请公布日期
1991.08.05
申请号
JP19870004989U
申请日期
1987.01.19
申请人
发明人
分类号
F16K31/11;F16K31/06;(IPC1-7):F16K31/06
主分类号
F16K31/11
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代理人
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