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发明名称
摘要
申请公布号
JPS5415555(U)
申请公布日期
1979.02.01
申请号
JP19770088132U
申请日期
1977.07.05
申请人
发明人
分类号
G01C9/24;(IPC1-7):G01C9/24
主分类号
G01C9/24
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