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发明名称
FASTENER FOR COUPLING A HEADING EQUIPMENT TO A ROOF BOLTING
摘要
申请公布号
PL55253(Y1)
申请公布日期
1997.07.31
申请号
PL19930099380U
申请日期
1993.12.29
申请人
PRZEDSIEBIORSTWO PRZEMYSLU METALOWEGO
发明人
MATLEWSKI MARIAN;TOMASZEWSKI WIESLAW;NIEDLICH HENRYK;BONDEK STANISLAW;LAWNIK BRUNON
分类号
E21D21/00;(IPC1-7):E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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