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发明名称
ELECTRO-MAGNETIC LENS SYSTEMS
摘要
申请公布号
IE19174(L)
申请公布日期
1948.11.16
申请号
IE19470000655
申请日期
1947.10.15
申请人
WESTERN ELECTRIC CO. INC.;WINSTON EDWARD KOCK
发明人
分类号
H01Q19/06;(IPC1-7):H01Q19/06
主分类号
H01Q19/06
代理机构
代理人
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地址
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