-
公开(公告)号：US1590570A
公开(公告)日：1926-06-29
申请号：US74631124
申请日：1924-10-28
Applicant: FLACK ROY N , STURM LEWIS D
Inventor： FLACK ROY N , STURM LEWIS D
IPC: E05F15/12
CPC classification number: E05F15/622 , E05Y2201/474 , E05Y2400/502 , E05Y2800/21 , E05Y2800/404 , E05Y2900/132 , Y10T74/18688
Search Results
1
records
(took 0.012 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
