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发明名称
CORES AND METHOD OF MAKING SAME
摘要
申请公布号
CA485041(A)
申请公布日期
1952.07.22
申请号
CAD485041
申请日期
申请人
ALUMINUM COMPANY OF AMERICA
发明人
MARVIN EVERETT GANTZ
分类号
主分类号
代理机构
代理人
主权项
地址
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