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发明名称
A DEVICE FOR THE AUTOMATIC FOCUSING OF SLIDE PROJECTORS
摘要
申请公布号
GB1203128(A)
申请公布日期
1970.08.26
申请号
GB19680052762
申请日期
1968.11.07
申请人
ERNST LEITZ G.M.B.H.
发明人
分类号
G03B21/53
主分类号
G03B21/53
代理机构
代理人
主权项
地址
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