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经营范围
发明名称
Improvements in or relating to building panels and structures
摘要
申请公布号
GB722526(A)
申请公布日期
1955.01.26
申请号
GB19510027735
申请日期
1951.11.27
申请人
KURT BECKER
发明人
分类号
E04B1/20;E04B2/38;E04B2/68;E04B5/18;E04C2/04;E04C2/16;E04C2/38
主分类号
E04B1/20
代理机构
代理人
主权项
地址
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