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发明名称
Improvements in and relating to the manufacture of hollow cast metal articles
摘要
申请公布号
GB514292(A)
申请公布日期
1939.11.03
申请号
GB19380028878
申请日期
1938.10.05
申请人
ROBERT JOHN NASH;RONALD MAURICE MYERS;EDMUND DOUGLAS WEIPPERT
发明人
分类号
B22D19/00
主分类号
B22D19/00
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代理人
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