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经营范围
发明名称
Door check structure
摘要
申请公布号
US2715746(A)
申请公布日期
1955.08.23
申请号
US19500149300
申请日期
1950.03.13
申请人
TRAVIS PAUL H
发明人
TRAVIS PAUL H.
分类号
E05C17/20
主分类号
E05C17/20
代理机构
代理人
主权项
地址
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