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发明名称
Focusing system for projectors
摘要
申请公布号
US3399595(A)
申请公布日期
1968.09.03
申请号
US19660551338
申请日期
1966.05.19
申请人
ERNST LEITZ G. M. B. H.
发明人
HOLLE WERNER H.;KREILING RUDOLF
分类号
G03B21/53
主分类号
G03B21/53
代理机构
代理人
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地址
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