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经营范围
发明名称
Screw propellers
摘要
申请公布号
GB439624(A)
申请公布日期
1935.12.10
申请号
GB19350020492
申请日期
1935.07.18
申请人
GUSTAV SCHWARZ G.M.B.H.
发明人
分类号
B64C11/04
主分类号
B64C11/04
代理机构
代理人
主权项
地址
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