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经营范围
发明名称
Air pump for artificial respiration
摘要
申请公布号
US2644445(A)
申请公布日期
1953.07.07
申请号
US19510205638
申请日期
1951.01.12
申请人
OTTO HEINRICH DRAGER
发明人
TIETZE HERMANN
分类号
A61H31/02
主分类号
A61H31/02
代理机构
代理人
主权项
地址
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