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发明名称
STEPLADDER
摘要
申请公布号
GB2160250(B)
申请公布日期
1987.05.13
申请号
GB19840017903
申请日期
1984.07.13
申请人
JAMES HERBERT * DORNEY;PETER WILLIAM * CHERRY
发明人
JAMES HERBERT * DORNEY;PETER WILLIAM * CHERRY
分类号
E06C1/20;(IPC1-7):E06C1/20
主分类号
E06C1/20
代理机构
代理人
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