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发明名称
Film projecting apparatus
摘要
申请公布号
US1997124(A)
申请公布日期
1935.04.09
申请号
US19330694294
申请日期
1933.10.19
申请人
FILM TREATIZOR CORPORATION
发明人
SOMAN LESTER
分类号
G03D15/00
主分类号
G03D15/00
代理机构
代理人
主权项
地址
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