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经营范围
发明名称
ANORDNUNG ZUR FEINGUTABTRENNUNG FUER EINE FLIESSBETT-GEGENSTRAHLMUEHLE
摘要
申请公布号
DD300844(A5)
申请公布日期
1992.08.13
申请号
DD19890335687
申请日期
1989.12.15
申请人
BERGAKADEMIE FREIBERG DIREKTORAT FUER FORSCHUNG
发明人
FENG PING CHANG
分类号
B02C;(IPC1-7):B02C/
主分类号
B02C
代理机构
代理人
主权项
地址
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