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经营范围
发明名称
Rotating electric furnace
摘要
申请公布号
US2061741(A)
申请公布日期
1936.11.24
申请号
US19330657598
申请日期
1933.02.20
申请人
PAUL ROSENFELDT
发明人
ROSENFELDT PAUL
分类号
F27B7/20;F27D11/02
主分类号
F27B7/20
代理机构
代理人
主权项
地址
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