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发明名称
Ladder
摘要
申请公布号
GB0508132(D0)
申请公布日期
2005.06.01
申请号
GB20050008132
申请日期
2005.04.22
申请人
BLACK, ROBERT D;BLACK, JOHN A
发明人
分类号
E06C1/387
主分类号
E06C1/387
代理机构
代理人
主权项
地址
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