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发明名称
摘要
申请公布号
JPH0319131(U)
申请公布日期
1991.02.25
申请号
JP19890079939U
申请日期
1989.07.06
申请人
发明人
分类号
F16D13/70;F16D13/71;F16D13/75;(IPC1-7):F16D13/75
主分类号
F16D13/70
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代理人
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