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发明名称
Projection device for projectors with twin lens system
摘要
申请公布号
US3143032(A)
申请公布日期
1964.08.04
申请号
US19620205294
申请日期
1962.06.26
申请人
ERLING CEDNAS KARL LENNART
发明人
CEDNAS KARL LENNART ERLING
分类号
G03B35/00;G03B35/20
主分类号
G03B35/00
代理机构
代理人
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地址
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