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经营范围
发明名称
Door reinforcement means
摘要
申请公布号
US2627633(A)
申请公布日期
1953.02.10
申请号
US19490121925
申请日期
1949.10.18
申请人
发明人
SHECTMAN ARTHUR
分类号
E06B3/46
主分类号
E06B3/46
代理机构
代理人
主权项
地址
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