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发明名称
Column assembly
摘要
申请公布号
US2123621(A)
申请公布日期
1938.07.12
申请号
US19380209303
申请日期
1938.05.21
申请人
ADLER JOSEPH I
发明人
ADLER JOSEPH I.
分类号
A47F5/00
主分类号
A47F5/00
代理机构
代理人
主权项
地址
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