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发明名称
Picture projecting machine
摘要
申请公布号
US2296344(A)
申请公布日期
1942.09.22
申请号
US19400368569
申请日期
1940.12.05
申请人
JOSEPH GUERCIO
发明人
GUERCIO JOSEPH
分类号
G03B1/18
主分类号
G03B1/18
代理机构
代理人
主权项
地址
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