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经营范围
发明名称
Base for tilting chairs
摘要
申请公布号
US2430043(A)
申请公布日期
1947.11.04
申请号
US19440526515
申请日期
1944.03.15
申请人
THE SENG COMPANY
发明人
BOLENS HARRY W.
分类号
A47C3/18
主分类号
A47C3/18
代理机构
代理人
主权项
地址
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