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发明名称
Luminescent coating for electric lamps
摘要
申请公布号
US2096693(A)
申请公布日期
1937.10.19
申请号
US19370134909
申请日期
1937.04.03
申请人
HYGRADE SYLVANIA CORPORATION
发明人
COX JAMES' L.
分类号
C09K11/02
主分类号
C09K11/02
代理机构
代理人
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地址
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