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经营范围
发明名称
(B1) ;HYDRAULIC ANCHOR
摘要
申请公布号
PL228318(A1)
申请公布日期
1982.06.07
申请号
PL19800228318
申请日期
1980.12.06
申请人
KOPALNIA WEGLA KAMIENNEGO WIEC
发明人
GIL HENRYK;STELMACH STANISLAW;GOLASZEWSKI ANTONI;CZYPIONKA SEBASTIAN
分类号
E21D;E21D21/00;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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