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经营范围
发明名称
An improved aluminium alloy
摘要
申请公布号
GB350446(A)
申请公布日期
1931.06.08
申请号
GB19300007655
申请日期
1930.03.08
申请人
HORACE CAMPBELL HALL;TENNYSON FRASER BRADBURY
发明人
分类号
C22C21/10
主分类号
C22C21/10
代理机构
代理人
主权项
地址
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