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发明名称
Improvements in or relating to a method for photographing printing forms
摘要
申请公布号
GB750218(A)
申请公布日期
1956.06.13
申请号
GB19520021760
申请日期
1952.08.29
申请人
LUDLOW TYPOGRAPH COMPANY
发明人
MORRISON GEORGE LEROY
分类号
G03F7/20
主分类号
G03F7/20
代理机构
代理人
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