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经营范围
发明名称
Heat treating furnace
摘要
申请公布号
US1997680(A)
申请公布日期
1935.04.16
申请号
US19310567910
申请日期
1931.10.09
申请人
SURFACE COMBUSTION CORPORATION
发明人
CORIOLIS ERNEST G. DE;SCHRAMM HENRY W.
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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