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经营范围
发明名称
Aluminum alloys
摘要
申请公布号
US2166495(A)
申请公布日期
1939.07.18
申请号
US19380214809
申请日期
1938.06.20
申请人
SUMITOMO KINZOKU-KOGYO KABUSHIKI KAISHA
发明人
IGARASHI ISAMU;KITAHARA GORO
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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