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发明名称
LADDER ATTACHMENT
摘要
申请公布号
GB1604041(A)
申请公布日期
1981.12.02
申请号
GB19770017483
申请日期
1978.05.26
申请人
COOPER R
发明人
分类号
E06C7/48;(IPC1-7):E06C7/48
主分类号
E06C7/48
代理机构
代理人
主权项
地址
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