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经营范围
发明名称
TRANSPARENT FLUID FOR CONVEYING COAL FROM A LOW LEVEL
摘要
申请公布号
EP0090979(B1)
申请公布日期
1988.07.27
申请号
EP19830102675
申请日期
1983.03.18
申请人
BASF AKTIENGESELLSCHAFT
发明人
WISSEROTH, KARL, DR.
分类号
B65G53/30;E21B43/28;(IPC1-7):E21F13/04;E21C41/04
主分类号
B65G53/30
代理机构
代理人
主权项
地址
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