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发明名称
Rolling door
摘要
申请公布号
US2696250(A)
申请公布日期
1954.12.07
申请号
US19530377035
申请日期
1953.08.28
申请人
NATHAN MICHELMAN
发明人
MICHELMAN NATHAN
分类号
E06B9/13;E06B9/60
主分类号
E06B9/13
代理机构
代理人
主权项
地址
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