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发明名称
摘要
申请公布号
JPS551762(U)
申请公布日期
1980.01.08
申请号
JP19780084016U
申请日期
1978.06.21
申请人
发明人
分类号
G01B7/02;G01B7/00;G01B21/00;G01B21/02;(IPC1-7):G01B21/00
主分类号
G01B7/02
代理机构
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