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发明名称
摘要
申请公布号
JPS5828159(U)
申请公布日期
1983.02.23
申请号
JP19810121437U
申请日期
1981.08.18
申请人
发明人
分类号
F16J15/43;F16J15/40;(IPC1-7):F16J15/40
主分类号
F16J15/43
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