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经营范围
发明名称
Improvements in or relating to a ladder arrangement
摘要
申请公布号
GB2287055(B)
申请公布日期
1997.01.22
申请号
GB19940004213
申请日期
1994.03.04
申请人
* SGB SERVICES PLC
发明人
TREFOR FRANK * MITCHELL
分类号
E06C1/32;E06C7/42;(IPC1-7):E06C1/32
主分类号
E06C1/32
代理机构
代理人
主权项
地址
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