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经营范围
发明名称
Improvements in and relating to metal panels
摘要
申请公布号
GB761931(A)
申请公布日期
1956.11.21
申请号
GB19540021760
申请日期
1954.07.26
申请人
DE WENDEL ET CIE
发明人
分类号
E04C2/34
主分类号
E04C2/34
代理机构
代理人
主权项
地址
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