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公开(公告)号：US3431408A
公开(公告)日：1969-03-04
申请号：US3431408D
申请日：1966-06-24
Applicant: JULIAN K ROOSEVELT
Inventor： ROOSEVELT JULIAN K
CPC classification number: B63B45/00 , B63B45/04 , B63B2201/08
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