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经营范围
发明名称
Folding seat and back rest
摘要
申请公布号
US1997767(A)
申请公布日期
1935.04.16
申请号
US19330654526
申请日期
1933.01.31
申请人
DORKINS ROBERT T
发明人
DORKINS ROBERT T.
分类号
A47C4/08
主分类号
A47C4/08
代理机构
代理人
主权项
地址
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