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发明名称
摘要
申请公布号
JPH0232988(U)
申请公布日期
1990.03.01
申请号
JP19880110014U
申请日期
1988.08.24
申请人
发明人
分类号
E02D5/28;B08B9/02;B08B9/023;E02B17/00;E02D31/06;(IPC1-7):B08B9/02
主分类号
E02D5/28
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