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发明名称
摘要
申请公布号
JPS63139510(U)
申请公布日期
1988.09.14
申请号
JP19870031651U
申请日期
1987.03.04
申请人
发明人
分类号
G01B7/30;F02B77/08;(IPC1-7):G01B7/30
主分类号
G01B7/30
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代理人
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