-
1.
公开(公告)号:US2615235A
公开(公告)日:1952-10-28
申请号:US8435249
申请日:1949-03-30
Applicant: SERVEL INC
Inventor: HADLEY ORVAL P
CPC classification number: B23K1/00 , B23K1/18 , B23K2201/06
-
公开(公告)号:US2645006A
公开(公告)日:1953-07-14
申请号:US3574948
申请日:1948-06-29
Applicant: SERVEL INC
Inventor: HADLEY ORVAL P
CPC classification number: B23K35/0244 , B23K1/20 , B23K2201/06 , Y10T428/12063 , Y10T428/12208 , Y10T428/12951 , Y10T428/12972
-