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发明名称
Electric safety lamp
摘要
申请公布号
US2805356(A)
申请公布日期
1957.09.03
申请号
US19530369615
申请日期
1953.07.22
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
BROWN HARRY S.
分类号
H01K1/64
主分类号
H01K1/64
代理机构
代理人
主权项
地址
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