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申请公布号
JPS63172908(U)
申请公布日期
1988.11.10
申请号
JP19870065429U
申请日期
1987.04.30
申请人
发明人
分类号
G01C9/06;G01C9/20;(IPC1-7):G01C9/06
主分类号
G01C9/06
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