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发明名称
Ventilator
摘要
申请公布号
US2771020(A)
申请公布日期
1956.11.20
申请号
US19550551381
申请日期
1955.12.06
申请人
SHANAHAN PETER T
发明人
SHANAHAN PETER T.
分类号
F24F7/00
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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