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发明名称
Trémie à lèvres mobiles par pivotement pour la fabrication de pellicules cellulosiques d'épaisseur variable
摘要
申请公布号
FR688932(A)
申请公布日期
1930.08.30
申请号
FRD688932
申请日期
1930.01.27
申请人
发明人
MAURER ALFRED
分类号
B29C47/16
主分类号
B29C47/16
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