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公开(公告)号：US2837356A
公开(公告)日：1958-06-03
申请号：US53454455
申请日：1955-09-15
Applicant: J H DAY COMPANY INC
Inventor： BCAMAN NORMAN V
CPC classification number: F04D29/106 , B01F2015/00103 , Y10S277/91
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