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经营范围
发明名称
PLOUGH UNIT FOR MINING EXTRACTION OF MINERAL RESOURCES
摘要
申请公布号
SU1419528(A3)
申请公布日期
1988.08.23
申请号
SU19853933053
申请日期
1985.08.02
申请人
HALBACH & BRAUN IND ANLAGEN
发明人
GERT BRAUN,DE;ERNST BRAUN,DE
分类号
E21C27/32;E21C27/34;E21C35/12
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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