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发明名称
Extension table
摘要
申请公布号
US2119000(A)
申请公布日期
1938.05.31
申请号
US19370126827
申请日期
1937.02.20
申请人
ABRAHAM ASHKENAS
发明人
ASHKENAS ABRAHAM
分类号
A47B1/05
主分类号
A47B1/05
代理机构
代理人
主权项
地址
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