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发明名称
Easel for printing a plurality of photographs
摘要
申请公布号
US3230823(A)
申请公布日期
1966.01.25
申请号
US19640380697
申请日期
1964.07.06
申请人
NICHOLAS KRASSOPOULOS
发明人
KRASSOPOULOS NICHOLAS
分类号
G03B27/58
主分类号
G03B27/58
代理机构
代理人
主权项
地址
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