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发明名称
摘要
申请公布号
JPH04109308(U)
申请公布日期
1992.09.22
申请号
JP19910020429U
申请日期
1991.03.06
申请人
发明人
分类号
G01B5/20;G01B5/213;(IPC1-7):G01B5/20
主分类号
G01B5/20
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代理人
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