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发明名称
摘要
申请公布号
JPH0381519(U)
申请公布日期
1991.08.20
申请号
JP19890142483U
申请日期
1989.12.08
申请人
发明人
分类号
G01F23/18;(IPC1-7):G01F23/18
主分类号
G01F23/18
代理机构
代理人
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地址
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