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发明名称
Pouring nozzle
摘要
申请公布号
US2193365(A)
申请公布日期
1940.03.12
申请号
US19380189801
申请日期
1938.02.10
申请人
SOCIETE D'ELECTROCHIMIE, D'ELECTROMETALLURGIE ET DES ACIERIES ELECTRIQUES D'UGINE
发明人
CANTONI RENE
分类号
B22D41/50
主分类号
B22D41/50
代理机构
代理人
主权项
地址
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