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发明名称
VORRICHTUNG ZUM REINIGEN VON SAND
摘要
申请公布号
DD232325(A1)
申请公布日期
1986.01.22
申请号
DD19840265196
申请日期
1984.07.12
申请人
VEB CHEMIEANLAGENBAU STASSFURT,,,,DD
发明人
SCHAEFER,HANS,DD
分类号
E01H12/00;(IPC1-7):E01H12/00
主分类号
E01H12/00
代理机构
代理人
主权项
地址
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