-
公开(公告)号：US1886838A
公开(公告)日：1932-11-08
申请号：US44825330
申请日：1930-04-29
Applicant: KATHRYN E ROWLAND , EDWARD A DE LANEY , AMERICAN WELDING COMPANY
IPC: B23K28/00
CPC classification number: B23K28/003
-
公开(公告)号：US1876762A
公开(公告)日：1932-09-13
申请号：US44825230
申请日：1930-04-29
Applicant: KATHRYN E ROWLAND , EDWARD A DE LANEY , AMERICAN WELDING COMPANY
IPC: B21C37/29
CPC classification number: B21C37/29
-
Search Results
2
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
