-
公开(公告)号：US1849896A
公开(公告)日：1932-03-15
申请号：US50589530
申请日：1930-12-31
Applicant: HENRY GOSCH
Inventor： WEIMAN HERMAN P
CPC classification number: D06F27/00 , D06F21/08 , D06F37/36 , D06F2700/05
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
