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发明名称
Procédé de fabrication de produits artificiels
摘要
申请公布号
FR40438(E)
申请公布日期
1932.06.23
申请号
FRD40438
申请日期
1931.05.27
申请人
发明人
LILIENFELD LEON
分类号
C08B13/02
主分类号
C08B13/02
代理机构
代理人
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