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经营范围
发明名称
Material treating furnace
摘要
申请公布号
US1844094(A)
申请公布日期
1932.02.09
申请号
US19290362161
申请日期
1929.05.11
申请人
COSTELLO ENGINEERING COMPANY
发明人
JR. STRICKLAND KNEASS,
分类号
C21D9/56
主分类号
C21D9/56
代理机构
代理人
主权项
地址
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