-
公开(公告)号：US2784204A
公开(公告)日：1957-03-05
申请号：US35964253
申请日：1953-06-04
Applicant: HOECHST AG
Inventor： JOHANNES HEYNA , ALFRED CARL , HANS-DIETER WAGNER
IPC: C09B1/32 , C09B62/443
CPC classification number: C09B62/443 , C09B1/325 , Y10S8/02
Search Results
1
records
(took 0.007 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
