-
公开(公告)号：US3169778A
公开(公告)日：1965-02-16
申请号：US6805260
申请日：1960-11-08
Applicant: SHIGEMATSU MATSUDA
Inventor： SHIGEMATSU MATSUDA
IPC: B23B31/22
CPC classification number: B23B31/223 , Y10T279/17726 , Y10T279/182
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
