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发明名称
Cinematographic film traction apparatus
摘要
申请公布号
US2802392(A)
申请公布日期
1957.08.13
申请号
US19540408941
申请日期
1954.02.08
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
KINGSTON ARTHUR WILLIAM
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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