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经营范围
发明名称
Perfectionnements à la fabrication de l'acétate de cellulose
摘要
申请公布号
FR693569(A)
申请公布日期
1930.11.21
申请号
FRD693569
申请日期
1930.04.09
申请人
发明人
SILBERRAD OSWALD;BLEASDALE HARRY
分类号
C08B3/22
主分类号
C08B3/22
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