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发明名称
摘要
申请公布号
JPH03104539(U)
申请公布日期
1991.10.30
申请号
JP19900015280U
申请日期
1990.02.15
申请人
发明人
分类号
G12B9/08;F16F9/02;(IPC1-7):F16F9/02
主分类号
G12B9/08
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