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公开(公告)号：US1446915A
公开(公告)日：1923-02-27
申请号：US41796820
申请日：1920-10-19
Applicant: NATHANIEL G WARTH
Inventor： LONGSHORE HERMAN A
CPC classification number: B29C73/22 , B29L2030/00 , B60C19/127 , Y10T152/10702
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