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发明名称
摘要
申请公布号
JPS5544986(Y2)
申请公布日期
1980.10.22
申请号
JP19760097783U
申请日期
1976.07.22
申请人
发明人
分类号
E02D27/01;E02D27/00;E04G17/06;E04G17/14;(IPC1-7):E04G17/14
主分类号
E02D27/01
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