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发明名称
Method for the use of dynamic vacuum in foundry operations
摘要
申请公布号
US3181213(A)
申请公布日期
1965.05.04
申请号
US19630263156
申请日期
1963.03.06
申请人
ALTAMIL CORPORATION
发明人
SCHAIBLE MICHAEL;TUTTLE WAINWRIGHT
分类号
B22C9/03;B22C11/04
主分类号
B22C9/03
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代理人
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