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发明名称
Improvements in or relating to fireproof shutters
摘要
申请公布号
GB398923(A)
申请公布日期
1933.09.28
申请号
GB19320009542
申请日期
1932.04.02
申请人
E. POLLARD & COMPANY LIMITED;HAROLD EDWARD POLLARD
发明人
分类号
A62C2/16
主分类号
A62C2/16
代理机构
代理人
主权项
地址
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