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发明名称
Metal melting
摘要
申请公布号
US2465544(A)
申请公布日期
1949.03.29
申请号
US19480032371
申请日期
1948.06.11
申请人
ALUMINUM COMPANY OF AMERICA
发明人
MARSH KIRTLAND
分类号
C22B7/00
主分类号
C22B7/00
代理机构
代理人
主权项
地址
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