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经营范围
发明名称
Multiple switch and multiple bulb electric lantern
摘要
申请公布号
US2599419(A)
申请公布日期
1952.06.03
申请号
US19490107453
申请日期
1949.07.29
申请人
KARL J. SCHROER;NELLE SCHROER
发明人
STARK PHILLIP A.
分类号
F21L4/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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