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发明名称
Process of treating bituminous coal
摘要
申请公布号
US2453543(A)
申请公布日期
1948.11.09
申请号
US19480020089
申请日期
1948.04.09
申请人
SCHABELITZ ERNEST J
发明人
SCHABELITZ ERNEST J.
分类号
C10G1/00;C10G1/04;C10L9/02
主分类号
C10G1/00
代理机构
代理人
主权项
地址
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