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发明名称
AIRPLANE PROPELLER
摘要
申请公布号
CA331005(A)
申请公布日期
1933.03.14
申请号
CAD331005
申请日期
申请人
ERNEST G. HILSABECK
发明人
HARVEY H. HARDIN
分类号
主分类号
代理机构
代理人
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地址
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