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发明名称
All-metal ladders
摘要
申请公布号
GB972322(A)
申请公布日期
1964.10.14
申请号
GB19620013497
申请日期
1962.04.07
申请人
ALLOY LADDERS LIMITED;JOHN LAWSON-KING
发明人
LAWSON-KING JOHN
分类号
E06C7/08
主分类号
E06C7/08
代理机构
代理人
主权项
地址
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