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经营范围
发明名称
Oropharyngeal airway and suction tube
摘要
申请公布号
US2750938(A)
申请公布日期
1956.06.19
申请号
US19550483734
申请日期
1955.01.24
申请人
ROY BIER EMANUEL
发明人
BIER EMANUEL ROY
分类号
A61B5/097;A61B7/02;A61B10/00
主分类号
A61B5/097
代理机构
代理人
主权项
地址
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