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发明名称
摘要
申请公布号
JPS63175808(U)
申请公布日期
1988.11.15
申请号
JP19870033615U
申请日期
1987.03.07
申请人
发明人
分类号
G01B5/20;G01B5/008;G01B21/00;G01B21/20;(IPC1-7):G01B21/20
主分类号
G01B5/20
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代理人
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