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经营范围
发明名称
Heat treating furnace
摘要
申请公布号
US2216859(A)
申请公布日期
1940.10.08
申请号
US19380190750
申请日期
1938.02.16
申请人
STEVENSON KENNETH A
发明人
STEVENSON KENNETH A.
分类号
C21D1/46;C21D1/63
主分类号
C21D1/46
代理机构
代理人
主权项
地址
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