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发明名称
摘要
申请公布号
JPS62123638(U)
申请公布日期
1987.08.06
申请号
JP19860010605U
申请日期
1986.01.28
申请人
发明人
分类号
G03B17/18;G01C13/00;G03B17/08;G03B17/24;(IPC1-7):G03B17/08
主分类号
G03B17/18
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