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发明名称
Projection lamp
摘要
申请公布号
US1838170(A)
申请公布日期
1931.12.29
申请号
US19280280977
申请日期
1928.05.28
申请人
ROBERT R. FOWLER
发明人
ARANO GEORGE
分类号
H05B31/00
主分类号
H05B31/00
代理机构
代理人
主权项
地址
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