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发明名称
Photo-printing apparatus
摘要
申请公布号
US2158903(A)
申请公布日期
1939.05.16
申请号
US19380185879
申请日期
1938.01.20
申请人
BLOCKJONES PHOTO CO., INC.
发明人
KNOBEL MAX
分类号
G03B27/80
主分类号
G03B27/80
代理机构
代理人
主权项
地址
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