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发明名称
Switch for hand lamps
摘要
申请公布号
US2167117(A)
申请公布日期
1939.07.25
申请号
US19370160813
申请日期
1937.08.25
申请人
WESTERN CARTRIDGE COMPANY
发明人
KOPP WALTER R.
分类号
F21V23/00
主分类号
F21V23/00
代理机构
代理人
主权项
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