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发明名称
Improvements in or relating to the centrifugal casting of metal pipes
摘要
申请公布号
GB310047(A)
申请公布日期
1930.07.10
申请号
GB19290012100
申请日期
1929.04.18
申请人
SOCIETE D'EXPANSION TECHNIQUE
发明人
分类号
B22D13/10
主分类号
B22D13/10
代理机构
代理人
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地址
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