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发明名称
Improvements in and relating to electric torches and flash lamps
摘要
申请公布号
GB407581(A)
申请公布日期
1934.03.22
申请号
GB19330017883
申请日期
1933.06.23
申请人
WARD & GOLDSTONE, LIMITED;SAMPSON GOLDSTONE
发明人
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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