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发明名称
Ingot mold insert mat
摘要
申请公布号
US2933788(A)
申请公布日期
1960.04.26
申请号
US19570702425
申请日期
1957.12.12
申请人
STERICK HARRISON D
发明人
STERICK HARRISON D.
分类号
B22D7/12
主分类号
B22D7/12
代理机构
代理人
主权项
地址
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