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经营范围
发明名称
Gastrointestinal tube
摘要
申请公布号
US2498692(A)
申请公布日期
1950.02.28
申请号
US19490069143
申请日期
1949.01.04
申请人
发明人
MAINS MARSHALL PAUL
分类号
A61F2/958;A61J15/00;A61M31/00
主分类号
A61F2/958
代理机构
代理人
主权项
地址
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