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发明名称
Photographic enlarger
摘要
申请公布号
US2625075(A)
申请公布日期
1953.01.13
申请号
US19500163454
申请日期
1950.05.22
申请人
WILHELM BAASNER;KARL HUBER
发明人
BAASNER WILHELM;HUBER KARL
分类号
G03B27/36
主分类号
G03B27/36
代理机构
代理人
主权项
地址
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