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发明名称
Luminescent coating for electric lamps
摘要
申请公布号
US2299720(A)
申请公布日期
1942.10.20
申请号
US19400362983
申请日期
1940.10.26
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
HOLMAN GEORGE E.
分类号
H01J61/42
主分类号
H01J61/42
代理机构
代理人
主权项
地址
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