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经营范围
发明名称
Process for charging and compressing loosely charged coal within oven chambers
摘要
申请公布号
US2014400(A)
申请公布日期
1935.09.17
申请号
US19320588405
申请日期
1932.01.23
申请人
CARL STILL
发明人
STILL CARL
分类号
C10B37/04
主分类号
C10B37/04
代理机构
代理人
主权项
地址
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