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发明名称
Transition of scenes on a motion picture film
摘要
申请公布号
US2133085(A)
申请公布日期
1938.10.11
申请号
US19360090132
申请日期
1936.07.11
申请人
DRAPER WILLIAM V
发明人
DRAPER WILLIAM V.
分类号
G03B15/08
主分类号
G03B15/08
代理机构
代理人
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