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发明名称
Lamp housing for film projectors
摘要
申请公布号
US2452646(A)
申请公布日期
1948.11.02
申请号
US19440537782
申请日期
1944.05.29
申请人
LEO FRANKEL
发明人
FRANKEL LEO
分类号
G03B21/16
主分类号
G03B21/16
代理机构
代理人
主权项
地址
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