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经营范围
发明名称
Improvements in and relating to ceiling construction.
摘要
申请公布号
GB1160323(A)
申请公布日期
1969.08.06
申请号
GB19670015382
申请日期
1967.04.04
申请人
H.T. CEILINGS LIMITED
发明人
WILLIAM IAN NEILSON
分类号
E04B9/02;E04B9/36;F24F13/072;F24F13/08
主分类号
E04B9/02
代理机构
代理人
主权项
地址
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