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发明名称
Collapsible stand
摘要
申请公布号
US2640294(A)
申请公布日期
1953.06.02
申请号
US19500197915
申请日期
1950.11.28
申请人
WALZAK MICHAEL P
发明人
WALZAK MICHAEL P.
分类号
A47B19/08
主分类号
A47B19/08
代理机构
代理人
主权项
地址
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