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经营范围
发明名称
Coal stoker
摘要
申请公布号
US2235309(A)
申请公布日期
1941.03.18
申请号
US19390287287
申请日期
1939.07.29
申请人
BAUM ALBERT E
发明人
BAUM ALBERT E.
分类号
F23K3/00
主分类号
F23K3/00
代理机构
代理人
主权项
地址
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