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经营范围
发明名称
Tuyere for cupola furnaces
摘要
申请公布号
US1866764(A)
申请公布日期
1932.07.12
申请号
US19310549403
申请日期
1931.07.08
申请人
RICHARD GERISCH
发明人
GERISCH RICHARD
分类号
C21B7/16
主分类号
C21B7/16
代理机构
代理人
主权项
地址
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