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发明名称
摘要
申请公布号
JPS647930(U)
申请公布日期
1989.01.17
申请号
JP19870104056U
申请日期
1987.07.06
申请人
发明人
分类号
F16F9/14;F16J15/16;(IPC1-7):F16F9/14
主分类号
F16F9/14
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