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发明名称
HEATING SYSTEM FOR AIRCRAFTS
摘要
申请公布号
CA306475(A)
申请公布日期
1930.12.09
申请号
CAD306475
申请日期
申请人
JOHN LEWIS
发明人
JOHN LEWIS
分类号
主分类号
代理机构
代理人
主权项
地址
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