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发明名称
Improvements relating to photographic enlarging objectives
摘要
申请公布号
GB1006576(A)
申请公布日期
1965.10.06
申请号
GB19620045224
申请日期
1962.11.29
申请人
RUDOLPH RODENSTOCK
发明人
分类号
G03B21/14;G03B27/52
主分类号
G03B21/14
代理机构
代理人
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