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经营范围
发明名称
Soaking pits
摘要
申请公布号
US2839290(A)
申请公布日期
1958.06.17
申请号
US19540402492
申请日期
1954.01.06
申请人
SELAS CORPORATION OF AMERICA
发明人
BLOOM QUENTIN M.
分类号
C21D9/70
主分类号
C21D9/70
代理机构
代理人
主权项
地址
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