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发明名称
摘要
申请公布号
JPS5562911(U)
申请公布日期
1980.04.30
申请号
JP19780145806U
申请日期
1978.10.25
申请人
发明人
分类号
G01C9/12;(IPC1-7):G01C9/12
主分类号
G01C9/12
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代理人
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