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经营范围
发明名称
Motion picture apparatus
摘要
申请公布号
US2257197(A)
申请公布日期
1941.09.30
申请号
US19400332487
申请日期
1940.04.30
申请人
IWAN SERRURIER
发明人
SERRURIER IWAN
分类号
G03B21/46
主分类号
G03B21/46
代理机构
代理人
主权项
地址
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