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发明名称
PURIFICATION OF CRUDE ANTHRAQUINON
摘要
申请公布号
CA314699(A)
申请公布日期
1931.08.25
申请号
CAD314699
申请日期
申请人
THE SELDEN COMPANY
发明人
CHESTER EARL ANDREWS
分类号
主分类号
代理机构
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