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经营范围
发明名称
Process for obtaining beryllium and beryllium alloys
摘要
申请公布号
GB505508(A)
申请公布日期
1939.05.08
申请号
GB19370015763
申请日期
1937.08.07
申请人
SERI HOLDING S.A.
发明人
分类号
C22B35/00
主分类号
C22B35/00
代理机构
代理人
主权项
地址
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