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发明名称
Foldable platform structure
摘要
申请公布号
US2624058(A)
申请公布日期
1953.01.06
申请号
US19490105917
申请日期
1949.07.21
申请人
KUDRNA EMIL J
发明人
KUDRNA EMIL J.
分类号
B61D23/02
主分类号
B61D23/02
代理机构
代理人
主权项
地址
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