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公开(公告)号：US2643408A
公开(公告)日：1953-06-30
申请号：US13701850
申请日：1950-01-05
Applicant: WILLIAM DECKER HOWARD
Inventor： WILLIAM DECKER HOWARD
CPC classification number: A47L23/05 , A47L1/08 , B05C17/002 , B65D47/42
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