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发明名称
A LADDER
摘要
申请公布号
GB2127472(B)
申请公布日期
1985.12.18
申请号
GB19830018694
申请日期
1983.07.11
申请人
W C * YOUNGMAN LIMITED
发明人
FRANCIS RALPH * TITFORD;ERIC RAYMOND * BAKER
分类号
E06C1/32;(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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