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发明名称
Collapsible frame
摘要
申请公布号
US2541722(A)
申请公布日期
1951.02.13
申请号
US19450623838
申请日期
1945.10.22
申请人
SHACKELFORD MARSHAL P
发明人
SHACKELFORD MARSHAL P.
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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