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发明名称
Verfahren zur Gewinnung von Eisenoxyd
摘要
申请公布号
DE554633(C)
申请公布日期
1932.07.14
申请号
DE1925K095116D
申请日期
1925.07.26
申请人
COMSTOCK & WESCOTT INC.
发明人
分类号
C01G49/06
主分类号
C01G49/06
代理机构
代理人
主权项
地址
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