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经营范围
发明名称
Riser type stadium chair
摘要
申请公布号
US2568896(A)
申请公布日期
1951.09.25
申请号
US19470755822
申请日期
1947.06.20
申请人
AMERICAN SEATING COMPANY
发明人
MORGAN ERVING B.;CLAY ROYCE W.
分类号
A47B91/08
主分类号
A47B91/08
代理机构
代理人
主权项
地址
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