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发明名称
Extension table top equalizer
摘要
申请公布号
US1964490(A)
申请公布日期
1934.06.26
申请号
US19330686909
申请日期
1933.08.26
申请人
B. WALTER & COMPANY, INC.
发明人
WALTER FREDERICK B.
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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