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发明名称
Photo-electric tube and method of producing the same
摘要
申请公布号
US1935939(A)
申请公布日期
1933.11.21
申请号
US19260124721
申请日期
1926.07.24
申请人
CASE RESEARCH LABORATORY INC.
发明人
CASE THEODORE WILLARD
分类号
H01J40/06
主分类号
H01J40/06
代理机构
代理人
主权项
地址
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