-
公开(公告)号：US1416102A
公开(公告)日：1922-05-16
申请号：US41682920
申请日：1920-10-14
Applicant: CHARLES A GETTMAN
Inventor： LUSK RAYMOND F
CPC classification number: B23B23/02 , B23B31/201 , Y10T82/2568 , Y10T279/17273 , Y10T279/17547
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
