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发明名称
IN EINEM BOHRLOCH VERANKERBARES BOHRLOCHGERAT
摘要
申请公布号
AT334852(B)
申请公布日期
1977.02.10
申请号
AT19740005432
申请日期
1974.07.01
申请人
ORSZAGOS KOOLAJ-ES GAZIPARI TROSZT;KOOLAJ-ES FOLDGAZBANYASZATI IPARI KUTATO LABORATORIUM
发明人
HORVATH ROBERTÖ;LASZLO RUDOLFÖ;SZABO GEZAÖ
分类号
E21B33/1295;(IPC1-7):E21B33/00
主分类号
E21B33/1295
代理机构
代理人
主权项
地址
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