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经营范围
发明名称
Roasting furnace
摘要
申请公布号
US1805659(A)
申请公布日期
1931.05.19
申请号
US19280249134
申请日期
1928.01.24
申请人
EDITH MARY FOWLER;DUDLEY BAIRD;NICHOLS COPPER COMPANY
发明人
分类号
F27B9/24
主分类号
F27B9/24
代理机构
代理人
主权项
地址
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