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发明名称
摘要
申请公布号
JPS53108977(U)
申请公布日期
1978.08.31
申请号
JP19770011168U
申请日期
1977.02.03
申请人
发明人
分类号
G01C22/00;(IPC1-7):G01C22/00
主分类号
G01C22/00
代理机构
代理人
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地址
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