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发明名称
AIRPLANE PROPELLER DE-ICING DEVICE
摘要
申请公布号
CA397014(A)
申请公布日期
1941.06.03
申请号
CAD397014
申请日期
申请人
SAMUEL N. ACKER
发明人
WILLIAM C. CLAY
分类号
主分类号
代理机构
代理人
主权项
地址
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