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经营范围
发明名称
Improvements relating to supporting fibre and like building boards as ceilings and roof linings
摘要
申请公布号
GB760020(A)
申请公布日期
1956.10.31
申请号
GB19530029898
申请日期
1953.10.29
申请人
HENRY MCASKILL HAY
发明人
分类号
E04B9/26
主分类号
E04B9/26
代理机构
代理人
主权项
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