-
1.发明专利
公开(公告)号：BE577855A
公开(公告)日：1959-08-17
申请号：BE577855
申请日：1959-04-18
Applicant: BASF AG
Inventor： ORTH HELMUT , HOFFMANN HERWIG , SCHNEIDER KARL-RAINDER , UFER HANNS-JOACHIM , KIRSCH ADALBERT
IPC: D06P
Search Results
1
records
(took 0.018 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
