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发明名称
HIGH DENSITY BEAM CONTROL
摘要
申请公布号
CA513733(A)
申请公布日期
1955.06.14
申请号
CAD513733
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
LESTER M. FIELD
分类号
主分类号
代理机构
代理人
主权项
地址
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