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经营范围
发明名称
Core blower
摘要
申请公布号
US2661513(A)
申请公布日期
1953.12.08
申请号
US19510244411
申请日期
1951.08.30
申请人
GENERAL MOTORS CORPORATION
发明人
BREWER RELFE N.
分类号
B22C15/24
主分类号
B22C15/24
代理机构
代理人
主权项
地址
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