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经营范围
发明名称
Portable railway
摘要
申请公布号
US3309022(A)
申请公布日期
1967.03.14
申请号
US19630282059
申请日期
1963.05.21
申请人
HANS INGOLD
发明人
INGOLD HANS
分类号
A47B47/03;A47B53/02
主分类号
A47B47/03
代理机构
代理人
主权项
地址
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