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发明名称
Hand lamp
摘要
申请公布号
US1940023(A)
申请公布日期
1933.12.19
申请号
US19310577266
申请日期
1931.11.25
申请人
BURGESS BATTERY COMPANY
发明人
SCHULTE WALTER 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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