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发明名称
摘要
申请公布号
JPH0376109(U)
申请公布日期
1991.07.30
申请号
JP19890137266U
申请日期
1989.11.29
申请人
发明人
分类号
G01B5/00;G01B21/08;G01B21/10;(IPC1-7):G01B21/08
主分类号
G01B5/00
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代理人
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