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发明名称
Dispositif pour empêcher l'oxydation du métal à la sortie des chaudières de fusion
摘要
申请公布号
FR715835(A)
申请公布日期
1931.12.10
申请号
FRD715835
申请日期
1931.04.22
申请人
FELTEN & GUILLEAUME CARLSWERK ACTIEN-GESELLSCHAFT
发明人
分类号
B22D41/08
主分类号
B22D41/08
代理机构
代理人
主权项
地址
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