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发明名称
摘要
申请公布号
JPS5564577(U)
申请公布日期
1980.05.02
申请号
JP19780077672U
申请日期
1978.06.07
申请人
发明人
分类号
F16K5/02;F16K5/08;F16K31/56;F16K35/02;(IPC1-7):F16K31/56
主分类号
F16K5/02
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代理人
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