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发明名称
Improvements in a method and mold for casting metals
摘要
申请公布号
GB721059(A)
申请公布日期
1954.12.29
申请号
GB19520019295
申请日期
1952.07.30
申请人
GRIFFIN WHEEL COMPANY
发明人
SYLVESTER EDMUND QUINCY
分类号
B22C9/28
主分类号
B22C9/28
代理机构
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