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发明名称
摘要
申请公布号
JPS55137304(U)
申请公布日期
1980.09.30
申请号
JP19790038193U
申请日期
1979.03.23
申请人
发明人
分类号
G01C22/00;G01B3/12;G01B5/02;(IPC1-7):G01B5/02
主分类号
G01C22/00
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代理人
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