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发明名称
Improvements in building construction
摘要
申请公布号
GB727970(A)
申请公布日期
1955.04.13
申请号
GB19510013744
申请日期
1951.06.11
申请人
ERNEST KERMAN
发明人
分类号
E04G11/04
主分类号
E04G11/04
代理机构
代理人
主权项
地址
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