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经营范围
发明名称
Rolling door construction
摘要
申请公布号
GB570469(A)
申请公布日期
1945.07.09
申请号
GB19430017235
申请日期
1943.10.20
申请人
NATHAN MICHELMAN
发明人
分类号
E06B9/13
主分类号
E06B9/13
代理机构
代理人
主权项
地址
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