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发明名称
Operating mechanism for box-car doors
摘要
申请公布号
US1743247(A)
申请公布日期
1930.01.14
申请号
US19260120371
申请日期
1926.07.03
申请人
STARK SHELIDA P
发明人
STARK SHELIDA P.
分类号
E05F11/54
主分类号
E05F11/54
代理机构
代理人
主权项
地址
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