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经营范围
发明名称
Improvements in and relating to building or constructional units
摘要
申请公布号
GB549520(A)
申请公布日期
1942.11.25
申请号
GB19410006488
申请日期
1941.05.21
申请人
GEORGE STANLEY MANN;GEORGE FRANKLIN;JOSEPH COOPER SQUIRRELL
发明人
分类号
E04C2/04
主分类号
E04C2/04
代理机构
代理人
主权项
地址
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