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经营范围
发明名称
A process for controlling the exposure in diazotype printing
摘要
申请公布号
GB842243(A)
申请公布日期
1960.07.27
申请号
GB19580031885
申请日期
1958.10.06
申请人
CHEMISCHE FABRIEK L. VAN DER GRINTEN N.V.
发明人
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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