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发明名称
Method of and means for making castings
摘要
申请公布号
US2962777(A)
申请公布日期
1960.12.06
申请号
US19550524900
申请日期
1955.07.28
申请人
GEORGE HARRISON
发明人
HARRISON GEORGE
分类号
B22D13/00
主分类号
B22D13/00
代理机构
代理人
主权项
地址
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