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经营范围
发明名称
Procédé pour la fabrication d'objets moulés en corne artificielle, insolubles dans l'eau
摘要
申请公布号
FR905360(A)
申请公布日期
1945.12.03
申请号
FRD905360
申请日期
1944.06.24
申请人
发明人
DRAGER OTTO HEINRICH
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主分类号
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