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经营范围
发明名称
Ladder supporting unit
摘要
申请公布号
GB9819813(D0)
申请公布日期
1998.11.04
申请号
GB19980019813
申请日期
1998.09.12
申请人
TILLEY, NORMAN
发明人
分类号
E06C7/44
主分类号
E06C7/44
代理机构
代理人
主权项
地址
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