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经营范围
发明名称
Gate operating means
摘要
申请公布号
US2455018(A)
申请公布日期
1948.11.30
申请号
US19440567751
申请日期
1944.12.11
申请人
MCKEOWN IRMA B
发明人
MCKEOWN IRMA B.
分类号
E05F15/12
主分类号
E05F15/12
代理机构
代理人
主权项
地址
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