-
公开(公告)号：US3382578A
公开(公告)日：1968-05-14
申请号：US54928466
申请日：1966-05-11
Applicant: GUNTHER HEINRICH WILHELM DOBBERTIN
Inventor： WILHELM DOBBERTIN GUNTHER HEIN
IPC: B24B55/05
CPC classification number: B24B55/05
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
