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经营范围
发明名称
Improvements relating to walls or like vertical structures
摘要
申请公布号
GB551651(A)
申请公布日期
1943.03.04
申请号
GB19410006165
申请日期
1941.05.13
申请人
WILLIAM HENRY HOWARD
发明人
分类号
E04B2/58
主分类号
E04B2/58
代理机构
代理人
主权项
地址
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