-
公开(公告)号：US2793919A
公开(公告)日：1957-05-28
申请号：US43494954
申请日：1954-06-07
Applicant: WAKEFIELD BEARING CORP
Inventor： CLAPP NATHANIEL D
CPC classification number: H01J31/201 , D01H5/56 , F16C33/18 , F16C2340/18
Search Results
1
records
(took 0.007 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
