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发明名称
Ladder
摘要
申请公布号
GB2065211(A)
申请公布日期
1981.06.24
申请号
GB19790043534
申请日期
1979.12.18
申请人
PG PULTRUSIONS LTD
发明人
分类号
E06C7/08;(IPC1-7):E06C7/08
主分类号
E06C7/08
代理机构
代理人
主权项
地址
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