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经营范围
发明名称
Method of locally heat-treating metal bodies
摘要
申请公布号
US2294413(A)
申请公布日期
1942.09.01
申请号
US19390269904
申请日期
1939.04.25
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
MARSHALL LAURENCE K.
分类号
C21D1/10
主分类号
C21D1/10
代理机构
代理人
主权项
地址
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