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发明名称
IRON OXIDE-FERRITE PRODUCTION PROCESS
摘要
申请公布号
US3561919(A)
申请公布日期
1971.02.09
申请号
USD3561919
申请日期
1969.06.13
申请人
JOSEPH W. AYERS
发明人
JOSEPH W. AYERS
分类号
C01G49/06;C04B35/26;(IPC1-7):C01G49/00;C01G49/02
主分类号
C01G49/06
代理机构
代理人
主权项
地址
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