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经营范围
发明名称
Illuminating apparatus for photographic enlargers provided with interchangeable integrating bodies
摘要
申请公布号
US3371575(A)
申请公布日期
1968.03.05
申请号
US19650447326
申请日期
1965.04.12
申请人
SIMMON BROTHERS, INC.
发明人
SIMMON ALFRED
分类号
G03B27/54
主分类号
G03B27/54
代理机构
代理人
主权项
地址
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