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发明名称
Improvements in or relating to frames for fire-retarding or fire-proof doors
摘要
申请公布号
GB814849(A)
申请公布日期
1959.06.10
申请号
GB19570003051
申请日期
1957.01.28
申请人
S. O. S. B-SKOD I/S
发明人
分类号
E06B5/16
主分类号
E06B5/16
代理机构
代理人
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