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发明名称
Conveyor device for photo-printing material in photo-printing machines
摘要
申请公布号
US2895395(A)
申请公布日期
1959.07.21
申请号
US19550554304
申请日期
1955.12.20
申请人
ENGELHARD INDUSTRIES, INC.
发明人
GERN ERNST D.
分类号
G03B27/22
主分类号
G03B27/22
代理机构
代理人
主权项
地址
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