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经营范围
发明名称
Combined chair and carrier unit
摘要
申请公布号
US1970707(A)
申请公布日期
1934.08.21
申请号
US19320626799
申请日期
1932.07.30
申请人
FRANK RIDDELL
发明人
RIDDELL FRANK
分类号
E03C1/32;E03C1/324;E03D11/14
主分类号
E03C1/32
代理机构
代理人
主权项
地址
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