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发明名称
Door closer
摘要
申请公布号
US3078501(A)
申请公布日期
1963.02.26
申请号
US19590785683
申请日期
1959.01.08
申请人
WRIGHT PRODUCTS, INC.
发明人
THORMAN WALTHER M. A.
分类号
E05F3/02
主分类号
E05F3/02
代理机构
代理人
主权项
地址
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