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发明名称
Improvements in exothermic sleeves for use in the casting of metals
摘要
申请公布号
GB866745(A)
申请公布日期
1961.04.26
申请号
GB19580003943
申请日期
1958.02.06
申请人
BERK EXOTHERMICS LIMITED
发明人
BLOOM BERNARD
分类号
B22D7/10
主分类号
B22D7/10
代理机构
代理人
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