-
1.发明授权
公开(公告)号：US2989363A
公开(公告)日：1961-06-20
申请号：US64394757
申请日：1957-03-05
Applicant: HOECHST AG
Inventor： ADOLF HARTMANN , WILHELM HAPPE , GERHARD GATYS
CPC classification number: D06M11/55 , D06P1/65143 , D06P1/67375 , D06P3/52 , D06P3/54 , Y10S8/04
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
