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发明名称
Doorknob assembly
摘要
申请公布号
US2676049(A)
申请公布日期
1954.04.20
申请号
US19520280489
申请日期
1952.04.04
申请人
WALDES KOHINOOR, INC.
发明人
WURZEL HUGO
分类号
E05B3/06
主分类号
E05B3/06
代理机构
代理人
主权项
地址
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