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发明名称
SHADOW MASK AND METHOD OF MAKING SAME
摘要
申请公布号
GB1481717(A)
申请公布日期
1977.08.03
申请号
GB19740053206
申请日期
1974.12.09
申请人
BUCKBEE MEARS CO
发明人
分类号
H01J9/14;H01J29/07;H01J31/20;(IPC1-7):H01J29/07
主分类号
H01J9/14
代理机构
代理人
主权项
地址
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