-
公开(公告)号：DD155389A5
公开(公告)日：1982-06-09
申请号：DD22620180
申请日：1980-12-17
Applicant: DEGUSSA
Inventor： BOZOM ALFRED , KOBERSTEIN EDGAR , PLETKA HANS-DIETER , VOELKER HERBERT
Search Results
1
records
(took 0.018 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
