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发明名称
摘要
申请公布号
JPH0547765(Y2)
申请公布日期
1993.12.16
申请号
JP19880040304U
申请日期
1988.03.29
申请人
发明人
分类号
E01F9/00;E01F9/018;G01D7/00;G01K1/14;G01K7/00;(IPC1-7):E01F9/00
主分类号
E01F9/00
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