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发明名称
Multiple-channel magnetic recorder
摘要
申请公布号
US2806757(A)
申请公布日期
1957.09.17
申请号
US19520292104
申请日期
1952.06.06
申请人
E. R. CHILCOTT;DORIS C. CHILCOTT
发明人
CUNNINGHAM JAMES M.
分类号
G01V1/24;G11B5/004
主分类号
G01V1/24
代理机构
代理人
主权项
地址
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