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发明名称
摘要
申请公布号
JPS54175377(U)
申请公布日期
1979.12.11
申请号
JP19780073751U
申请日期
1978.05.31
申请人
发明人
分类号
G01C22/00;(IPC1-7):G01C22/00
主分类号
G01C22/00
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代理人
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