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发明名称
Propeller log
摘要
申请公布号
GB371663(A)
申请公布日期
1932.04.28
申请号
GB19310016710
申请日期
1931.06.08
申请人
PAUL LOEVENOERN MUENSTER;OSCAR AIBIN THELIN
发明人
分类号
G01P5/06
主分类号
G01P5/06
代理机构
代理人
主权项
地址
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