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发明名称
Photographic printer and filter for use therewith
摘要
申请公布号
US2535770(A)
申请公布日期
1950.12.26
申请号
US19480010033
申请日期
1948.02.21
申请人
PARAGON REVOLUTE CORPORATION
发明人
WILDE FREDERICK G.
分类号
G03B27/16
主分类号
G03B27/16
代理机构
代理人
主权项
地址
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