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经营范围
发明名称
Electron beam recording system with recording medium and pressure wheel as continuous vacuum seal
摘要
申请公布号
US3384900(A)
申请公布日期
1968.05.21
申请号
US19670606625
申请日期
1967.01.03
申请人
GENERAL ELECTRIC COMPANY
发明人
BUSCHMANN ERWIN C.
分类号
G11B9/10;H01J29/86;H04N5/76
主分类号
G11B9/10
代理机构
代理人
主权项
地址
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