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申请公布号
JPS5510458(Y2)
申请公布日期
1980.03.07
申请号
JP19740148314U
申请日期
1974.12.05
申请人
发明人
分类号
E02F3/40;E01C19/30;E02F3/28;(IPC1-7):E02F3/40
主分类号
E02F3/40
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