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公开(公告)号：US3015478A
公开(公告)日：1962-01-02
申请号：US77525558
申请日：1958-11-20
Applicant: SEIAS CORP OF AMERICA
Inventor： BUCKHOLDT ROBERT E , BLOOM QUENTIN M
CPC classification number: F27D3/02 , B65G17/30 , B65G17/34 , B65G2201/02
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