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发明名称
eestern
摘要
申请公布号
DE702892(C)
申请公布日期
1941.02.19
申请号
DE193700I7457D
申请日期
1937.03.19
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
BALLE DR. GERHARD;HORST DR. KARL
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