-
公开(公告)号：US2827084A
公开(公告)日：1958-03-18
申请号：US50339755
申请日：1955-04-25
Applicant: ERNEST R GIESER
Inventor： MASSONGILL ROBERT J
CPC classification number: B23D55/026 , B23Q1/4809 , Y10T83/6601 , Y10T83/6608 , Y10T83/7201 , Y10T83/728 , Y10T83/739
Search Results
1
records
(took 0.013 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
