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经营范围
发明名称
Roasting furnace
摘要
申请公布号
US2202444(A)
申请公布日期
1940.05.28
申请号
US19390306747
申请日期
1939.11.29
申请人
DE REY EMMANUEL
发明人
REY EMMANUEL DE
分类号
F27B1/08;F27B9/24
主分类号
F27B1/08
代理机构
代理人
主权项
地址
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