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发明名称
Improvements in and relating to cinematographic film-traction apparatus
摘要
申请公布号
GB780081(A)
申请公布日期
1957.07.31
申请号
GB19540030543
申请日期
1954.10.22
申请人
ARTHUR WILLIAM KINGSTON
发明人
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
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