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发明名称
摘要
申请公布号
JPS5578872(U)
申请公布日期
1980.05.30
申请号
JP19780162476U
申请日期
1978.11.25
申请人
发明人
分类号
F16K31/06;H01F3/10;(IPC1-7):F16K31/06
主分类号
F16K31/06
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