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发明名称
Improvements in fade-out shutter mechanism for cinematographic cameras
摘要
申请公布号
GB412815(A)
申请公布日期
1934.07.05
申请号
GB19330027787
申请日期
1933.10.09
申请人
WILLIAM CHARLES VINTEN;WALTER JAMES SADLER
发明人
分类号
G03B15/08
主分类号
G03B15/08
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