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经营范围
发明名称
Gaseous electric lamp or sign
摘要
申请公布号
US2247160(A)
申请公布日期
1941.06.24
申请号
US19390273561
申请日期
1939.05.13
申请人
SHARPE CLYDE J
发明人
SHARPE CLYDE J.
分类号
G09F13/26
主分类号
G09F13/26
代理机构
代理人
主权项
地址
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