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发明名称
HEIGHT-VARIABLE IRON-COVER OF MANHOLE FOR WATERCONTROL VALVE
摘要
申请公布号
KR200206240(Y1)
申请公布日期
2000.12.01
申请号
KR20000017738U
申请日期
2000.06.22
申请人
OH, MYUNG HWAN;OH, NAM SIK
发明人
OH, MYUNG HWAN;OH, NAM SIK
分类号
E03B9/10;(IPC1-7):E03B9/10
主分类号
E03B9/10
代理机构
代理人
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地址
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