-
公开(公告)号：US3210980A
公开(公告)日：1965-10-12
申请号：US22477062
申请日：1962-09-19
Applicant: DRIAM S A
Inventor： SENGEL KURT E
IPC: B21C37/12
CPC classification number: B21C37/12
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
