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发明名称
Electric searchlight
摘要
申请公布号
US2305757(A)
申请公布日期
1942.12.22
申请号
US19400356349
申请日期
1940.09.11
申请人
BERTA BECK;HARALD BECK;HEINZ BECK
发明人
BECK BERTA;BECK HARALD;BECK HEINZ
分类号
F21V29/00;H05B31/04
主分类号
F21V29/00
代理机构
代理人
主权项
地址
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