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1.Centerless grinding of elongated rollers that are curved lengthwise 失效
Title translation: 对长度方向弯曲的细长辊进行无心磨削公开(公告)号:US2493302A
公开(公告)日:1950-01-03
申请号:US74533347
申请日:1947-05-01
Applicant: GEN MOTORS CORP
Inventor: LUNDIUS ALTON H
IPC: B24B5/26
CPC classification number: B24B5/26
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公开(公告)号:US2333260A
公开(公告)日:1943-11-02
申请号:US26136139
申请日:1939-03-11
Applicant: GEN MOTORS CORP
Inventor: LUNDIUS ALTON H
CPC classification number: B23B31/201 , B23B31/18 , Y10T279/17231 , Y10T279/18
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公开(公告)号:US2861399A
公开(公告)日:1958-11-25
申请号:US56178356
申请日:1956-01-27
Applicant: GEN MOTORS CORP
Inventor: LUNDIUS ALTON H
CPC classification number: B24B49/04 , B24B47/206
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公开(公告)号:US2309126A
公开(公告)日:1943-01-26
申请号:US32738940
申请日:1940-04-02
Applicant: GEN MOTORS CORP
Inventor: LUNDIUS ALTON H
IPC: B21K1/02
CPC classification number: B21K1/02
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