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经营范围
发明名称
Grab iron or ladder rung
摘要
申请公布号
US2550274(A)
申请公布日期
1951.04.24
申请号
US19460684043
申请日期
1946.07.16
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
KUHLER OTTO A.
分类号
E06C9/04
主分类号
E06C9/04
代理机构
代理人
主权项
地址
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