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发明名称
Cinematograph projection apparatus
摘要
申请公布号
US1750020(A)
申请公布日期
1930.03.11
申请号
US19270227784
申请日期
1927.10.21
申请人
SWORD NAIRN JAMES
发明人
NAIRN JAMES SWORD
分类号
G03B15/08
主分类号
G03B15/08
代理机构
代理人
主权项
地址
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