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经营范围
发明名称
PHOTOFLASH LAMP
摘要
申请公布号
US3540820(A)
申请公布日期
1970.11.17
申请号
USD3540820
申请日期
1969.05.23
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
JOHN W. SHAFFER
分类号
F21K5/14;(IPC1-7):F21K5/02
主分类号
F21K5/14
代理机构
代理人
主权项
地址
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