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经营范围
发明名称
Walls of buildings
摘要
申请公布号
GB592597(A)
申请公布日期
1947.09.23
申请号
GB19450001615
申请日期
1946.02.15
申请人
WILLIAM GEORGE HITCHINS
发明人
分类号
E04B2/56
主分类号
E04B2/56
代理机构
代理人
主权项
地址
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