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发明名称
Door holder
摘要
申请公布号
US1789073(A)
申请公布日期
1931.01.13
申请号
US19280286146
申请日期
1928.06.18
申请人
HOGREFE HERMAN C
发明人
HOGREFE HERMAN C.
分类号
E05C17/50
主分类号
E05C17/50
代理机构
代理人
主权项
地址
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