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发明名称
摘要
申请公布号
JPS596305(Y2)
申请公布日期
1984.02.27
申请号
JP19800041814U
申请日期
1980.03.29
申请人
发明人
分类号
F16K31/40;F16K31/42;(IPC1-7):F16K31/42
主分类号
F16K31/40
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代理人
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