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发明名称
Hot-blast sluice valve
摘要
申请公布号
US1951677(A)
申请公布日期
1934.03.20
申请号
US19300435378
申请日期
1930.03.12
申请人
HEINRICH ROSENER
发明人
ROSENER HEINRICH
分类号
C21B9/12
主分类号
C21B9/12
代理机构
代理人
主权项
地址
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