-
公开(公告)号：US2208210A
公开(公告)日：1940-07-16
申请号：US19767038
申请日：1938-03-23
Applicant: COPPOLA EUGENE M
Inventor： COPPOLA EUGENE M
CPC classification number: E05F5/02 , E05F5/08 , E05Y2201/212 , E05Y2201/264 , E05Y2201/474 , Y10T16/625 , Y10T16/6285
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
