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经营范围
发明名称
Heat-treating furnace
摘要
申请公布号
US1770081(A)
申请公布日期
1930.07.08
申请号
US19280327508
申请日期
1928.12.21
申请人
THE SURFACE COMBUSTION CO., INCORPORATED
发明人
MCCOY PHILIP W.;MASURY JOSEPH A.
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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