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经营范围
发明名称
Hot air furnace
摘要
申请公布号
US1941822(A)
申请公布日期
1934.01.02
申请号
US19330671097
申请日期
1933.05.15
申请人
BARD DALE R
发明人
BARD DALE R.
分类号
F24H3/06
主分类号
F24H3/06
代理机构
代理人
主权项
地址
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