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发明名称
Motion picture projector attachment
摘要
申请公布号
US2037602(A)
申请公布日期
1936.04.14
申请号
US19330695696
申请日期
1933.10.28
申请人
FILM TREATIZOR CORPORATION
发明人
SOMAN LESTER
分类号
G03B21/18
主分类号
G03B21/18
代理机构
代理人
主权项
地址
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