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发明名称
METHOD OF DRIVING UPWARDLY INCLINED DOG HEADINGS
摘要
申请公布号
PL296264(A1)
申请公布日期
1994.04.18
申请号
PL19920296264
申请日期
1992.10.14
申请人
REMAG ZAKLADY NAPRAWCZE PRZEMYSLU WEGLOWEGO
发明人
ZAK EDWARD;STANICZEK FRANCISZEK;CABAN WLODZIMIERZ
分类号
E21D9/10;(IPC1-7):E21D9/10
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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