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发明名称
Improvements in and relating to screens for kinematographic projections and the like
摘要
申请公布号
GB376557(A)
申请公布日期
1932.07.14
申请号
GB19310027116
申请日期
1931.09.29
申请人
LEOPOLD DARIMONT
发明人
分类号
G03B21/60
主分类号
G03B21/60
代理机构
代理人
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