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发明名称
Method of making grids for electron discharge tubes and a grid made by said method
摘要
申请公布号
US3045713(A)
申请公布日期
1962.07.24
申请号
US19580727136
申请日期
1958.04.08
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
CLEVEN ANTOON JOHANNES
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
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