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发明名称
Improvements in or relating to ladders
摘要
申请公布号
GB1122428(A)
申请公布日期
1968.08.07
申请号
GB19650019221
申请日期
1965.05.06
申请人
PRECISION LIGHTWEIGHT ENGINEERING LIMITED
发明人
LIEBLEIN GEORGE
分类号
E06C7/08
主分类号
E06C7/08
代理机构
代理人
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