-
公开(公告)号：US3490552A
公开(公告)日：1970-01-20
申请号：US3490552D
申请日：1967-09-27
Applicant: BASF AG
Inventor： FRICKE HORST , MERKEL HEINZ
CPC classification number: G01G19/30
Search Results
1
records
(took 0.022 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
