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发明名称
Photographic printing
摘要
申请公布号
US2988978(A)
申请公布日期
1961.06.20
申请号
US19570666122
申请日期
1957.06.17
申请人
LOGETRONICS, INC.
发明人
CRAIG DWIN R.
分类号
G03B27/72;G03C5/02
主分类号
G03B27/72
代理机构
代理人
主权项
地址
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