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发明名称
摘要
申请公布号
JPS63177706(U)
申请公布日期
1988.11.17
申请号
JP19870068245U
申请日期
1987.05.07
申请人
发明人
分类号
G01C15/10;(IPC1-7):G01C15/10
主分类号
G01C15/10
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