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公开(公告)号：US2494689A
公开(公告)日：1950-01-17
申请号：US73083647
申请日：1947-02-25
Applicant: PLAX CORP
Inventor： CANFIELD ROBERT W , WOODWARD ROBERT B
CPC classification number: B29C53/14 , B29C43/224 , B29C47/0016 , B29C47/0033 , B29C47/0035 , B29C47/0038 , B29C47/0059 , Y10S264/66
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