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公开(公告)号：US2455215A
公开(公告)日：1948-11-30
申请号：US77893047
申请日：1947-10-09
Applicant: BECKWITH MFG CO
Inventor： BEEKWITH EDWIN L , MACIVER CHARLES P
CPC classification number: B29C43/203 , B29C43/027 , B29C70/462 , B29C70/465 , B29D22/00 , B29K2101/12 , B29K2105/06 , B29K2311/10 , Y10S220/23 , Y10T156/1002
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