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发明名称
Procédé et dispositif pour la fabrication de corps creux métalliques par coulée centrifuge
摘要
申请公布号
FR780831(A)
申请公布日期
1935.05.04
申请号
FRD780831
申请日期
1934.11.05
申请人
发明人
BREITBART HANS
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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