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经营范围
发明名称
HOLLOW PANEL STRUCTURES PARTICULARLY DOORS
摘要
申请公布号
GB1479983(A)
申请公布日期
1977.07.13
申请号
GB19740048066
申请日期
1975.09.18
申请人
DREADNOUGHT SHUTTER & DOOR CO LTD
发明人
分类号
E06B3/82;(IPC1-7):E06B3/70
主分类号
E06B3/82
代理机构
代理人
主权项
地址
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