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经营范围
发明名称
Carton bitumé ou goudronné et son procédé de fabrication
摘要
申请公布号
FR907788(A)
申请公布日期
1946.03.21
申请号
FRD907788
申请日期
1944.05.10
申请人
发明人
LEFLON HENRI
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
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