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经营范围
发明名称
Matériau en nid d'abeilles et son procédé de fabrication
摘要
申请公布号
BE616749(A1)
申请公布日期
1962.08.16
申请号
BE19620616749
申请日期
1962.04.20
申请人
DUFAYLITE DEVELOPMENTS LIMITED
发明人
分类号
(IPC1-7):E04C
主分类号
(IPC1-7):E04C
代理机构
代理人
主权项
地址
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