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发明名称
Drilling connector
摘要
申请公布号
PL119249(U1)
申请公布日期
2012.02.13
申请号
PL20100119249U
申请日期
2010.08.12
申请人
PRZESTRZELSKI DARIUSZ ZAK&LSTROK,AD WYROBOW METALOWYCH CARBONEX
发明人
PRZESTRZELSKI DARIUSZ;KRAKOWSKI MACIEJ
分类号
E04B1/38;E21B17/00
主分类号
E04B1/38
代理机构
代理人
主权项
地址
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