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经营范围
发明名称
Propeller
摘要
申请公布号
US2257126(A)
申请公布日期
1941.09.30
申请号
US19360060949
申请日期
1936.01.27
申请人
BOCJL CORPORATION
发明人
RINDFIEISCH ARTHUR G.
分类号
B64C11/34
主分类号
B64C11/34
代理机构
代理人
主权项
地址
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