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经营范围
发明名称
PEDAL ACTION COLLAPSIBLE LADDER
摘要
申请公布号
GB8700478(D0)
申请公布日期
1987.02.11
申请号
GB19870000478
申请日期
1987.01.09
申请人
KEATCH, R W
发明人
分类号
E06C1/38
主分类号
E06C1/38
代理机构
代理人
主权项
地址
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