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经营范围
发明名称
FERROFLUIDS AND THE MANUFACTURE THEREOF
摘要
申请公布号
GB1516956(A)
申请公布日期
1978.07.05
申请号
GB19760012970
申请日期
1976.03.31
申请人
IBM CORP
发明人
分类号
C09D11/00;C09D5/23;H01F1/44;H01F41/16;(IPC1-7):C09D11/02
主分类号
C09D11/00
代理机构
代理人
主权项
地址
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