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发明名称
Seat attachment for dental chairs and the like
摘要
申请公布号
US1941907(A)
申请公布日期
1934.01.02
申请号
US19300424487
申请日期
1930.01.30
申请人
MARTIN BENJAMIN J
发明人
MARTIN BENJAMIN J.
分类号
A61G15/08
主分类号
A61G15/08
代理机构
代理人
主权项
地址
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