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发明名称
VENTILATOR
摘要
申请公布号
CA357505(A)
申请公布日期
1936.04.28
申请号
CAD357505
申请日期
申请人
H. H. ROBERTSON COMPANY
发明人
GEORGE EDWARD BLACK
分类号
主分类号
代理机构
代理人
主权项
地址
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