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发明名称
Flash light
摘要
申请公布号
US1917060(A)
申请公布日期
1933.07.04
申请号
US19310511496
申请日期
1931.01.27
申请人
BOND ELECTRIC CORPORATION
发明人
PRATT GOODRICH B.
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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