-
公开(公告)号：US2801604A
公开(公告)日：1957-08-06
申请号：US20415251
申请日：1951-01-03
Applicant: NAT GLACO CHEMICAL CORP
Inventor： RUSSELL JOHN J , BECK WILLIAM A
IPC: B21D22/20
CPC classification number: B21D22/201 , Y10T29/49982 , Y10T29/49986 , Y10T428/1259 , Y10T428/12722
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
