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发明名称
Improvements relating to revolving doors
摘要
申请公布号
GB337026(A)
申请公布日期
1930.11.06
申请号
GB19290002124
申请日期
1929.12.30
申请人
CLAUDE HAMILTON VERITY
发明人
分类号
E06B3/90
主分类号
E06B3/90
代理机构
代理人
主权项
地址
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