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经营范围
发明名称
Artificial respirator
摘要
申请公布号
US2508846(A)
申请公布日期
1950.05.23
申请号
US19470744995
申请日期
1947.04.30
申请人
WALLIN FRANEIS T
发明人
WALLIN FRANEIS T.
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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