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公开(公告)号:US3170565A
公开(公告)日:1965-02-23
申请号:US25366763
申请日:1963-01-24
Applicant: PORTABLE ELEVATOR MFG CO
Inventor: MATHESON WILLIAM A , HENNINGER ELMER G
CPC classification number: B65G47/766 , A01D87/0046 , B65G2201/02
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公开(公告)号:US3037612A
公开(公告)日:1962-06-05
申请号:US5451760
申请日:1960-09-07
Applicant: PORTABLE ELEVATOR MFG CO
Inventor: MATHESON WILLIAM A , HENNINGER ELMER G
IPC: B65G41/00
CPC classification number: B65G41/002
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