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发明名称
APERTURE MASK FOR COLOR TV PICTURE TUBES AND METHOD FOR MAKING SAME
摘要
申请公布号
US3574013(A)
申请公布日期
1971.04.06
申请号
USD3574013
申请日期
1969.01.06
申请人
BUCKBEE-MEARS CO.
发明人
JOHN J. FRANTZEN
分类号
H01J9/14;H01J29/07;(IPC1-7):C23F1/00;H01J29/18
主分类号
H01J9/14
代理机构
代理人
主权项
地址
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