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发明名称
Diazotype photoprinting materials
摘要
申请公布号
GB997323(A)
申请公布日期
1965.07.07
申请号
GB19620043216
申请日期
1962.11.15
申请人
EUGENE DIETZGEN CO.
发明人
分类号
G03C1/61
主分类号
G03C1/61
代理机构
代理人
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