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发明名称
Improvements relating to motion picture projecting machines
摘要
申请公布号
GB350247(A)
申请公布日期
1931.06.11
申请号
GB19300018143
申请日期
1930.06.13
申请人
UNIVERSAL STAMPING & MFG. CO.
发明人
分类号
G03B19/18;G03B21/32;G03B21/44
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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