-
公开(公告)号：US3099538A
公开(公告)日：1963-07-30
申请号：US78784359
申请日：1959-01-20
Applicant: BAYER AG
Inventor： WALTER KRONIG , WALTER BAYER , HANS-JOACHIM WAHL , LUDWIG BACHER
CPC classification number: B01J8/34 , B01J19/32 , B01J2219/32206 , B01J2219/32213 , B01J2219/32268 , B01J2219/32272
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
