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1.发明授权
公开(公告)号：US2813774A
公开(公告)日：1957-11-19
申请号：US48559255
申请日：1955-02-01
Applicant: BASF AG
Inventor： CURT SCHUSTER , KARL MAIER , ROBERT GEHM , JULIUS EISELE , WILHELM FREDERKIEL
CPC classification number: D06P5/06 , D06P1/6426 , D06P1/645 , D06P1/649 , D06P1/6492 , Y10S8/921
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