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发明名称
DEVICE FOR BREAKING LAYERS OF THE GROUND BY AN EXPLOSIVE
摘要
申请公布号
YU35178(B)
申请公布日期
1980.09.25
申请号
YU19730002441
申请日期
1973.09.13
申请人
BANYASZATI KUTATO INT.I KOOLAJ ES FOELG.IP.KUT.LABORAT.
发明人
VARGA ELMER;MARTOS FERENC;NEMET LASZLO;MECKL FERENC;HORNYOS JANOS;SIMON SANDOR;FERENC MECKL;MECKL FERENC;JANOS HORNYOS;HORNYOS JANOS;SANDOR SIMON;SIMON SANDOR
分类号
E21B43/263;(IPC1-7):E21B43/26
主分类号
E21B43/263
代理机构
代理人
主权项
地址
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