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经营范围
发明名称
Folding ladder
摘要
申请公布号
GB2137681(A)
申请公布日期
1984.10.10
申请号
GB19830009479
申请日期
1983.04.07
申请人
FREDERICK * BROWN
发明人
FREDERICK * BROWN
分类号
E06C1/52;(IPC1-7):E06C1/38
主分类号
E06C1/52
代理机构
代理人
主权项
地址
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