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发明名称
Screw-propeller blade
摘要
申请公布号
GB636497(A)
申请公布日期
1950.05.03
申请号
GB19470021646
申请日期
1947.08.07
申请人
CHANDIS HAROLD BRAUCHLER
发明人
分类号
B64C11/24
主分类号
B64C11/24
代理机构
代理人
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地址
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