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发明名称
Method and apparatus for dewatering coal
摘要
申请公布号
US2176902(A)
申请公布日期
1939.10.24
申请号
US19370149325
申请日期
1937.06.21
申请人
PROVIDENT TRUST COMPANY OF PHILADELPHIA
发明人
HORROCKS THOMAS S.
分类号
B07B13/00
主分类号
B07B13/00
代理机构
代理人
主权项
地址
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