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1.发明授权Process and apparatus for melting or concentrating to a melt solutions of urea and other organic compounds 失效用于熔化或浓缩到尿素和其他有机化合物的熔融溶液的方法和装置
公开(公告)号：US2988581A
公开(公告)日：1961-06-13
申请号：US55073255
申请日：1955-12-02
Applicant: STAMICARBON
Inventor： BERKEL WILHELM P J VAN
IPC: B01J6/00 , C05C9/00 , C07C273/02 , C07C273/16 , C07H1/00 , H05B3/60
CPC classification number: C07C273/16 , B01J6/005 , C05C9/005 , C07C273/02 , C07H1/00 , H05B3/60
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