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发明名称
Heat treating furnace
摘要
申请公布号
US2258431(A)
申请公布日期
1941.10.07
申请号
US19390282344
申请日期
1939.07.01
申请人
THE S. K. WELLMAN COMPANY
发明人
WELLMAN SAMUEL K.
分类号
B22F3/00;C21D9/00;F27D11/02
主分类号
B22F3/00
代理机构
代理人
主权项
地址
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