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经营范围
发明名称
A COAL PLOUGH INSTALLATION
摘要
申请公布号
GB2096207(B)
申请公布日期
1984.11.21
申请号
GB19820002645
申请日期
1982.01.29
申请人
HALBACH & BRAUN INDANLAGEN
发明人
分类号
E21C27/24;E21C27/32;(IPC1-7):E21C27/32
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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