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发明名称
Method of countergravity casting
摘要
申请公布号
US4848439(A)
申请公布日期
1989.07.18
申请号
US19880191468
申请日期
1988.05.09
申请人
GENERAL MOTORS CORPORATION
发明人
PLANT, LAWRENCE B.
分类号
B22C7/02;B22C9/04;B22D18/06
主分类号
B22C7/02
代理机构
代理人
主权项
地址
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