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发明名称
摘要
申请公布号
JPH04110906(U)
申请公布日期
1992.09.25
申请号
JP19910013481U
申请日期
1991.03.11
申请人
发明人
分类号
G01B7/34;G01B21/30;(IPC1-7):G01B7/34
主分类号
G01B7/34
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代理人
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