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发明名称
VERFAHREN UND ANORDNUNG ZUM AUSTREIBEN LEICHTFLUECHTIGER VERUNREINIGUNGEN AUS DEM ERDREICH
摘要
申请公布号
DE3728299(A1)
申请公布日期
1989.03.09
申请号
DE19873728299
申请日期
1987.08.25
申请人
IEG - INDUSTRIE-ENGINEERING GMBH
发明人
BERNHARDT,BRUNO;HESSNER,ANTON;KRUG,RAINER
分类号
B09C1/00;E21B37/08;E21B43/02
主分类号
B09C1/00
代理机构
代理人
主权项
地址
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