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发明名称
Extension for a tubular chair leg
摘要
申请公布号
US2722970(A)
申请公布日期
1955.11.08
申请号
US19520264433
申请日期
1952.01.02
申请人
WILLIAM C. UPHOFF
发明人
STECHMANN HERMAN H.
分类号
A47B91/02
主分类号
A47B91/02
代理机构
代理人
主权项
地址
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