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发明名称
HEIGHT-ADJUSTING APPARATUS FOR MANHOLE
摘要
申请公布号
KR810001340(Y1)
申请公布日期
1981.09.30
申请号
KR19800003149U
申请日期
1980.05.16
申请人
LIM SE BIN
发明人
LIM SE BIN
分类号
E02D29/12;(IPC1-7):E02D29/12
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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