-
11.
-
公开(公告)号:US2988544A
公开(公告)日:1961-06-13
申请号:US78736459
申请日:1959-01-19
Applicant: CIBA LTD
Inventor: CHRISTOPH FREY , KARL RONCO , MAX SCHMID
-
公开(公告)号:US2988544A
公开(公告)日:1961-06-13
申请号:US78736459
申请日:1959-01-19
Applicant: CIBA LTD
Inventor: CHRISTOPH FREY , KARL RONCO , MAX SCHMID