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经营范围
发明名称
Charging apparatus for openhearth furnaces
摘要
申请公布号
US1922987(A)
申请公布日期
1933.08.15
申请号
US19320642863
申请日期
1932.11.16
申请人
SUNDBLAD FOLKE W
发明人
SUNDBLAD FOLKE W.
分类号
F27D3/00
主分类号
F27D3/00
代理机构
代理人
主权项
地址
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