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发明名称
FRACTIONAL DESUBLIMATION
摘要
申请公布号
US3693707(A)
申请公布日期
1972.09.26
申请号
USD3693707
申请日期
1971.04.12
申请人
GELSENBERG BENZIN AG.
发明人
GUENTHER RICHTER
分类号
B01D7/02;C07C51/573;C07C51/60;(IPC1-7):B60H1/00
主分类号
B01D7/02
代理机构
代理人
主权项
地址
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