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发明名称
Safety lamp guard
摘要
申请公布号
US2385655(A)
申请公布日期
1945.09.25
申请号
US19430484323
申请日期
1943.04.24
申请人
ALEXANDER J. HEIDT
发明人
SCHMIEDER WILLIAM
分类号
F21V15/02
主分类号
F21V15/02
代理机构
代理人
主权项
地址
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