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经营范围
发明名称
Rod heating machine
摘要
申请公布号
US2820621(A)
申请公布日期
1958.01.21
申请号
US19530356123
申请日期
1953.05.20
申请人
SELAS CORPORATION OF AMERICA
发明人
HESS FREDERIC O.
分类号
B21J17/00
主分类号
B21J17/00
代理机构
代理人
主权项
地址
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