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经营范围
发明名称
Electrooptical projection apparatus
摘要
申请公布号
US2467462(A)
申请公布日期
1949.04.19
申请号
US19470781368
申请日期
1947.10.22
申请人
PHILCO CORPORATION
发明人
JR. REYNOLDS D. BROWN,
分类号
H01J29/89
主分类号
H01J29/89
代理机构
代理人
主权项
地址
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