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经营范围
发明名称
Means for transporting a person or other load up and down a staircase
摘要
申请公布号
GB740554(A)
申请公布日期
1955.11.16
申请号
GB19520031552
申请日期
1952.12.12
申请人
ROBERT GEOFFREY PAINE
发明人
分类号
B62B5/02;B66B9/08
主分类号
B62B5/02
代理机构
代理人
主权项
地址
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