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发明名称
Improvements in or relating to the preparation of iron oxide
摘要
申请公布号
GB1090043(A)
申请公布日期
1967.11.08
申请号
GB19650012571
申请日期
1965.03.24
申请人
CHAS. PFIZER & CO., 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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