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经营范围
发明名称
Door closer
摘要
申请公布号
US2703907(A)
申请公布日期
1955.03.15
申请号
US19540444070
申请日期
1954.07.19
申请人
NEWELL MANUFACTURING COMPANY
发明人
NEWELL FRANK M.
分类号
E05F3/10
主分类号
E05F3/10
代理机构
代理人
主权项
地址
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