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发明名称
Core removing device
摘要
申请公布号
US1814928(A)
申请公布日期
1931.07.14
申请号
US19290403704
申请日期
1929.10.31
申请人
ALUMINUM COMPANY OF AMERICA
发明人
HOURIGAN JOSEPH
分类号
B22D29/00
主分类号
B22D29/00
代理机构
代理人
主权项
地址
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