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发明名称
摘要
申请公布号
JPH0725457(Y2)
申请公布日期
1995.06.07
申请号
JP19890031089U
申请日期
1989.03.17
申请人
发明人
分类号
F16J15/52;F16D3/16;F16D3/84;F16J3/04;(IPC1-7):F16D3/16
主分类号
F16J15/52
代理机构
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