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发明名称
Folding stand
摘要
申请公布号
US1909223(A)
申请公布日期
1933.05.16
申请号
US19330651760
申请日期
1933.01.14
申请人
EDWARD ROOS
发明人
ROOS EDWARD
分类号
A47B3/00
主分类号
A47B3/00
代理机构
代理人
主权项
地址
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