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经营范围
发明名称
Aluminium alloys
摘要
申请公布号
GB510483(A)
申请公布日期
1939.08.02
申请号
GB19380018094
申请日期
1938.06.17
申请人
ISAMU IGARASHI;GORO KITAHARA
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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