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发明名称
Finger guard for swinging doors
摘要
申请公布号
US2681479(A)
申请公布日期
1954.06.22
申请号
US19520309863
申请日期
1952.09.16
申请人
DIXON SR JOHN J
发明人
SR. JOHN J. DIXON,
分类号
E06B7/36
主分类号
E06B7/36
代理机构
代理人
主权项
地址
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