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发明名称
Method of making inside frosted electric lamp bulbs
摘要
申请公布号
US2122512(A)
申请公布日期
1938.07.05
申请号
US19360093246
申请日期
1936.07.29
申请人
SAVE ELECTRIC CORPORATION
发明人
CALKINS LYLE E.;LEVI ORMONDE S.
分类号
H01J9/20
主分类号
H01J9/20
代理机构
代理人
主权项
地址
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