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经营范围
发明名称
Annealing furnace
摘要
申请公布号
US2091979(A)
申请公布日期
1937.09.07
申请号
US19350025250
申请日期
1935.06.06
申请人
THE GAS MACHINERY COMPANY
发明人
HAMLINK LAZENBY C.
分类号
C21D9/663
主分类号
C21D9/663
代理机构
代理人
主权项
地址
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