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发明名称
Controlling coal-dust furnaces
摘要
申请公布号
US1890542(A)
申请公布日期
1932.12.13
申请号
US19290383528
申请日期
1929.08.05
申请人
RICHARD ROOSEN
发明人
HAYN GEORG
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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