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经营范围
发明名称
Process for producing plate-like magnetite particles and plate-like maghemite particles
摘要
申请公布号
US4865834(A)
申请公布日期
1989.09.12
申请号
US19880156508
申请日期
1988.02.16
申请人
TODA KOGYO CORP.
发明人
TANIHARA, MAMORU;OKUDA, YOSHIRO;SADAMURA, HIDEAKI
分类号
G11B5/706
主分类号
G11B5/706
代理机构
代理人
主权项
地址
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