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经营范围
发明名称
Projektionsskærm.
摘要
申请公布号
DK89124(C)
申请公布日期
1960.06.07
申请号
DK19560005644
申请日期
1956.05.31
申请人
ANDREW SMITH HARKNESS LIMITED
发明人
分类号
(IPC1-7):G02D
主分类号
(IPC1-7):G02D
代理机构
代理人
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