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发明名称
Gauge for determining correct angle of inclination of a ladder
摘要
申请公布号
GB2362184(A)
申请公布日期
2001.11.14
申请号
GB20000011476
申请日期
2000.05.13
申请人
THOMAS * WILLIAMS
发明人
THOMAS * WILLIAMS
分类号
E06C7/00;(IPC1-7):E06C7/00
主分类号
E06C7/00
代理机构
代理人
主权项
地址
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