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发明名称
Verfahren zur Herstellung von nicht entflammbaren Filmen für photographische Zwecke.
摘要
申请公布号
AT140577(B)
申请公布日期
1935.02.11
申请号
ATD140577
申请日期
1933.04.28
申请人
W. M. STILL & SONS, LTD.;JOHN LLOYD HOWELL
发明人
分类号
主分类号
代理机构
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