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发明名称
VERFAHREN ZUR SELEKTIVEN GASVERDRAENGUNG UND FEINSTENTSTAUBUNG VON GRAPHITFORMKOERPERN
摘要
申请公布号
DD131640(B1)
申请公布日期
1981.08.26
申请号
DD19770199889
申请日期
1977.07.05
申请人
发明人
分类号
G01N33/20
主分类号
G01N33/20
代理机构
代理人
主权项
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