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经营范围
发明名称
Safety catch for vertically sliding doors
摘要
申请公布号
US2869183(A)
申请公布日期
1959.01.20
申请号
US19580728436
申请日期
1958.04.14
申请人
发明人
SMITH WILLIAM O.
分类号
E05D13/00
主分类号
E05D13/00
代理机构
代理人
主权项
地址
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