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发明名称
METHOD OF DESLUDGING DEEP WELLS AND APPARATUS THEREFOR
摘要
申请公布号
PL294670(A1)
申请公布日期
1993.11.29
申请号
PL19920294670
申请日期
1992.05.22
申请人
WOWK JOZEF
发明人
WOWK JOZEF
分类号
E03B3/15;(IPC1-7):E03B3/15
主分类号
E03B3/15
代理机构
代理人
主权项
地址
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