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发明名称
Improvements in machines for preparing moulding sand
摘要
申请公布号
GB501227(A)
申请公布日期
1939.02.23
申请号
GB19380003305
申请日期
1938.02.02
申请人
GUSTAV SAMM;HEINRICH HERRING
发明人
分类号
B22C5/02
主分类号
B22C5/02
代理机构
代理人
主权项
地址
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