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经营范围
发明名称
Step stool
摘要
申请公布号
US3011585(A)
申请公布日期
1961.12.05
申请号
US19590803005
申请日期
1959.03.30
申请人
HAMILTON COSCO, INC.
发明人
HAMILTON EARL F.
分类号
A47C12/02
主分类号
A47C12/02
代理机构
代理人
主权项
地址
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