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发明名称
Verfahren und Vorrichtung zum Trocknen von Harnstoffen
摘要
申请公布号
DE1668856(A1)
申请公布日期
1972.04.13
申请号
DE19681668856
申请日期
1968.01.19
申请人
THE-WHITLOCK MANUFACTURING CO.
发明人
L. GRAUMANN,JOHN;N. MAJOR,ALFRED
分类号
B01D1/06;B01D1/10;C05C9/00;C07C273/16;F26B17/16
主分类号
B01D1/06
代理机构
代理人
主权项
地址
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