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发明名称
Ventilator apparatus
摘要
申请公布号
US2355536(A)
申请公布日期
1944.08.08
申请号
US19420448537
申请日期
1942.06.26
申请人
JENNESS LANGDON M
发明人
JENNESS LANGDON M.
分类号
E06B7/03
主分类号
E06B7/03
代理机构
代理人
主权项
地址
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