-
公开(公告)号：US2931308A
公开(公告)日：1960-04-05
申请号：US64947157
申请日：1957-03-29
Applicant: IMPROVED MACHINERY INC
Inventor： OSCAR LUTHI
CPC classification number: F04C2/084 , F04C13/001
Search Results
11
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
