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发明名称
Improvements in and relating to rolling door constructions
摘要
申请公布号
GB578055(A)
申请公布日期
1946.06.13
申请号
GB19440006233
申请日期
1944.04.04
申请人
NATHAN MICHELMAN
发明人
分类号
E06B9/13;E06B9/58
主分类号
E06B9/13
代理机构
代理人
主权项
地址
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