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公开(公告)号:US5523117B1
公开(公告)日:2000-02-15
申请号:US43203795
申请日:1995-05-01
Applicant: CAL WEST EQUIP CO
Inventor: WOODHALL EDWARD W , KONDRATS NICHOLAS
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公开(公告)号:US5186978B1
公开(公告)日:1999-11-02
申请号:US78800691
申请日:1991-11-05
Applicant: CAL WEST EQUIP CO
Inventor: WOODHALL EDWARD W , KONDRATS NICHOLAS
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