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经营范围
发明名称
Breathing valve
摘要
申请公布号
US3279487(A)
申请公布日期
1966.10.18
申请号
US19630334319
申请日期
1963.12.30
申请人
ROSWELL PARK MEMORIAL HOSPITAL
发明人
ELAM JAMES O.
分类号
A61M16/20
主分类号
A61M16/20
代理机构
代理人
主权项
地址
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