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发明名称
Gate operating mechanism
摘要
申请公布号
US2523616(A)
申请公布日期
1950.09.26
申请号
US19470776193
申请日期
1947.09.26
申请人
FOX SHERMAN H
发明人
FOX SHERMAN H.
分类号
E05F13/04
主分类号
E05F13/04
代理机构
代理人
主权项
地址
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