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经营范围
发明名称
Furnace
摘要
申请公布号
US1948214(A)
申请公布日期
1934.02.20
申请号
US19310546866
申请日期
1931.06.25
申请人
GEORGE HOFMANN
发明人
HOFMANN GEORGE
分类号
F23C99/00
主分类号
F23C99/00
代理机构
代理人
主权项
地址
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