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经营范围
发明名称
Improvements in or relating to ceiling construction
摘要
申请公布号
GB581094(A)
申请公布日期
1946.10.01
申请号
GB19440014939
申请日期
1944.08.04
申请人
GEORGE KENDRICK FINDLAY
发明人
分类号
E04B9/22
主分类号
E04B9/22
代理机构
代理人
主权项
地址
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