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发明名称
Perfectionnements à la fabrication de matières artificielles
摘要
申请公布号
FR801613(A)
申请公布日期
1936.08.11
申请号
FRD801613
申请日期
1935.05.03
申请人
发明人
DREYFUS HENRY
分类号
D01F2/28;D06B23/16
主分类号
D01F2/28
代理机构
代理人
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