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经营范围
发明名称
METAL AIRSCREW
摘要
申请公布号
CA436260(A)
申请公布日期
1946.08.06
申请号
CAD436260
申请日期
申请人
ROTOL LIMITED
发明人
HUBERT NOEL CHARLES
分类号
主分类号
代理机构
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