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发明名称
Blendeinrichtung fuer Projektoren
摘要
申请公布号
DE735114(C)
申请公布日期
1943.05.06
申请号
DE1941Z026503D
申请日期
1941.07.06
申请人
FIRMA CARL ZEISS
发明人
GULDBRANDSEN HENRY
分类号
G03B21/20
主分类号
G03B21/20
代理机构
代理人
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地址
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