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发明名称
Improvements in building construction
摘要
申请公布号
GB664514(A)
申请公布日期
1952.01.09
申请号
GB19490005193
申请日期
1949.02.25
申请人
PIERRE JEAN ROUZAUD
发明人
分类号
E04B2/02;E04B2/42
主分类号
E04B2/02
代理机构
代理人
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