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发明名称
PLOUGH
摘要
申请公布号
SU1342429(A3)
申请公布日期
1987.09.30
申请号
SU19853968202
申请日期
1985.10.25
申请人
GEWERK EISENHUETTE WESTFALIA
发明人
OSVALD BROJER,DE;KRISTOF RASMANN,DE;BERND SHTAJNKUL,DE
分类号
E21C27/32;E21C27/34
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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