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发明名称
Process for distilling coal
摘要
申请公布号
US1938121(A)
申请公布日期
1933.12.05
申请号
US19300489530
申请日期
1930.10.18
申请人
HAROLD STEVENS
发明人
STEVENS HAROLD
分类号
C10B19/00
主分类号
C10B19/00
代理机构
代理人
主权项
地址
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