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发明名称
METHOD FOR FORMING PEBBLY WELL OF INCREASED DIAMETER
摘要
申请公布号
HU199582(B)
申请公布日期
1990.02.28
申请号
HU19870003512
申请日期
1987.07.30
申请人
FODOR,LASZLO,HU;GYOERGY,ZOLTAN,HU
发明人
FODOR,LASZLO,HU;GYOERGY,ZOLTAN,HU
分类号
E03B3/12;E21B43/02;(IPC1-7):E03B3/12
主分类号
E03B3/12
代理机构
代理人
主权项
地址
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