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发明名称
FOUNDRY COMPOSITION
摘要
申请公布号
GB1264031(A)
申请公布日期
1972.02.16
申请号
GB19690017454
申请日期
1969.04.03
申请人
BECK, KOLLER & CO. (ENGLAND) LTD.
发明人
分类号
B22C1/22
主分类号
B22C1/22
代理机构
代理人
主权项
地址
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