-
公开(公告)号：US2768620A
公开(公告)日：1956-10-30
申请号：US46479854
申请日：1954-10-26
Applicant: JENKINS CHRIS C , SLATER FRANK P
Inventor： JENKINS CHRIS C , SLATER FRANK P
IPC: B28D1/22
CPC classification number: B28D1/222 , Y10T83/8828 , Y10T225/371
Search Results
1
records
(took 0.017 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
