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发明名称
摘要
申请公布号
JPH0391903(U)
申请公布日期
1991.09.19
申请号
JP19890151608U
申请日期
1989.12.29
申请人
发明人
分类号
G01B5/00;F16B19/02;(IPC1-7):G01B5/00
主分类号
G01B5/00
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