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发明名称
Heat treating furnace
摘要
申请公布号
US2147650(A)
申请公布日期
1939.02.21
申请号
US19370168546
申请日期
1937.10.12
申请人
HARRIS HENRY H
发明人
HARRIS HENRY H.
分类号
C21D9/00
主分类号
C21D9/00
代理机构
代理人
主权项
地址
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