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公开(公告)号：US2958468A
公开(公告)日：1960-11-01
申请号：US79020459
申请日：1959-01-30
Applicant: LONG PAUL M
Inventor： LONG PAUL M
CPC classification number: B05B17/08 , F21S10/007 , F21W2121/02
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