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发明名称
Improvements in cinematograph apparatus
摘要
申请公布号
GB606858(A)
申请公布日期
1948.08.20
申请号
GB19460002006
申请日期
1946.01.21
申请人
JOHN HENRY HOPWOOD;AERONAUTICAL COMPONENTS MACHINISTS LIMITED
发明人
分类号
G03B1/56
主分类号
G03B1/56
代理机构
代理人
主权项
地址
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