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发明名称
Improvements in photographic diazotype printing processes
摘要
申请公布号
GB523922(A)
申请公布日期
1940.07.25
申请号
GB19390001637
申请日期
1939.01.17
申请人
KALLE & CO. AKTIENGESELLSCHAFT
发明人
分类号
G03C1/58
主分类号
G03C1/58
代理机构
代理人
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