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发明名称
Improvements in photographic diazotype processes
摘要
申请公布号
GB496090(A)
申请公布日期
1938.11.24
申请号
GB19380006054
申请日期
1938.02.25
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
主权项
地址
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