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发明名称
摘要
申请公布号
JPH0648334(Y2)
申请公布日期
1994.12.12
申请号
JP19900125364U
申请日期
1990.11.28
申请人
发明人
分类号
G01C9/12;G01C15/10;(IPC1-7):G01C15/10
主分类号
G01C9/12
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