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发明名称
DIAZO TYPE MATERIAL
摘要
申请公布号
CA378291(A)
申请公布日期
1938.12.13
申请号
CAD378291
申请日期
申请人
THE FREDERICK POST COMPANY
发明人
WALKER M. HINMAN
分类号
主分类号
代理机构
代理人
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