-
公开(公告)号：US2903149A
公开(公告)日：1959-09-08
申请号：US71218958
申请日：1958-01-30
Applicant: COUNTER BALANCE INC
Inventor： ROBERT TURNER ALONZO
CPC classification number: E05F1/1058 , E05D11/1064 , E05F1/14 , E05Y2201/638 , E05Y2900/20 , E05Y2900/602 , Y10T16/53835 , Y10T16/53836
Search Results
1
records
(took 0.013 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
