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发明名称
Improvements in mechanism for causing intermittent film movement
摘要
申请公布号
GB514101(A)
申请公布日期
1939.10.31
申请号
GB19380006057
申请日期
1938.02.25
申请人
OSCAR JOEL HOLMES
发明人
分类号
G03B1/18
主分类号
G03B1/18
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代理人
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