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经营范围
发明名称
Improvements in suspended ceilings
摘要
申请公布号
GB941911(A)
申请公布日期
1963.11.13
申请号
GB19600009066
申请日期
1960.03.15
申请人
HANS JULIUS SCHMITT
发明人
分类号
E04B9/04
主分类号
E04B9/04
代理机构
代理人
主权项
地址
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