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发明名称
摘要
申请公布号
JPS5446950(U)
申请公布日期
1979.03.31
申请号
JP19770120655U
申请日期
1977.09.09
申请人
发明人
分类号
F16C25/08;G11B5/52;(IPC1-7):F16C25/08
主分类号
F16C25/08
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