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申请公布号
JPH033374(Y2)
申请公布日期
1991.01.29
申请号
JP19850150283U
申请日期
1985.09.30
申请人
发明人
分类号
E01F7/00;B28B7/02;(IPC1-7):B28B7/02
主分类号
E01F7/00
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