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发明名称
Extension table
摘要
申请公布号
US1937250(A)
申请公布日期
1933.11.28
申请号
US19320586196
申请日期
1932.01.12
申请人
THE SENG COMPANY
发明人
SENG WENDELIN P.;HASSEL GEORGE F.
分类号
A47B1/02
主分类号
A47B1/02
代理机构
代理人
主权项
地址
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