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发明名称
Verfahren zur Gewinnung von reinem p-Xylol
摘要
申请公布号
DE1934721(A1)
申请公布日期
1971.01.14
申请号
DE19691934721
申请日期
1969.07.09
申请人
FRIED. KRUPP GMBH
发明人
分类号
B01D9/02;C07C1/00;C07C7/14;C07C15/08;C07C67/00
主分类号
B01D9/02
代理机构
代理人
主权项
地址
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