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公开(公告)号:US3339313A
公开(公告)日:1967-09-05
申请号:US37317364
申请日:1964-06-08
Applicant: LINDHAG CARL L
Inventor: LINDHAG CARL L
CPC classification number: B24B3/48 , B24D15/085
公开(公告)号:US3339313A
公开(公告)日:1967-09-05
申请号:US37317364
申请日:1964-06-08
Applicant: LINDHAG CARL L
Inventor: LINDHAG CARL L
CPC classification number: B24B3/48 , B24D15/085