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发明名称
摘要
申请公布号
JPS5447461(U)
申请公布日期
1979.04.02
申请号
JP19770122000U
申请日期
1977.09.09
申请人
发明人
分类号
G01B5/00;G01B5/012;G01B5/20;G01B21/00;G01B21/20;(IPC1-7):G01B5/00
主分类号
G01B5/00
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