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发明名称
摘要
申请公布号
JPS555810(Y2)
申请公布日期
1980.02.09
申请号
JP19760172574U
申请日期
1976.12.24
申请人
发明人
分类号
F16J15/18;F16J15/16;(IPC1-7):F16J15/16
主分类号
F16J15/18
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