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发明名称
Electric lamps
摘要
申请公布号
US3022438(A)
申请公布日期
1962.02.20
申请号
US19590840495
申请日期
1959.09.10
申请人
POLAROID CORPORATION
发明人
JR. DEXTER P. COOPER,
分类号
H01K1/50
主分类号
H01K1/50
代理机构
代理人
主权项
地址
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