-
公开(公告)号：US939714A
公开(公告)日：1909-11-09
申请号：US1909481256
申请日：1909-03-05
Applicant: KOWARSKY GRIGORY
Inventor： KOWARSKY GRIGORY
CPC classification number: B60B3/02 , B21D53/264 , Y10T16/184 , Y10T29/49503
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
