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发明名称
Improvements in or relating to the production of diazo-type prints
摘要
申请公布号
GB316563(A)
申请公布日期
1930.06.19
申请号
GB19290023412
申请日期
1929.07.30
申请人
KALLE & CO. AKTIENGESELLSCHAFT
发明人
分类号
G03C1/61
主分类号
G03C1/61
代理机构
代理人
主权项
地址
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