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经营范围
发明名称
Improvements in or relating to prefabricated wall elements
摘要
申请公布号
GB991751(A)
申请公布日期
1965.05.12
申请号
GB19610017424
申请日期
1961.05.12
申请人
C. VAN DER LELY N.V.
发明人
分类号
E04B1/06
主分类号
E04B1/06
代理机构
代理人
主权项
地址
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