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发明名称
Power adjustable, jointed pipe sections for goaf-stowing pneumatic conveyer system
摘要
申请公布号
GB2084216(A)
申请公布日期
1982.04.07
申请号
GB19800030679
申请日期
1980.09.23
申请人
BERGWERKSVERBAND GMBH
发明人
分类号
E21F15/08
主分类号
E21F15/08
代理机构
代理人
主权项
地址
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