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公开(公告)号：US3496983A
公开(公告)日：1970-02-24
申请号：US3496983D
申请日：1967-11-14
Applicant: DONALD R BARTLEY , ARMANDO CARDENAS , FRANK S VUKAN
Inventor： BARTLEY DONALD R , CARDENAS ARMANDO , VUKAN FRANK S
CPC classification number: B60C17/01 , B29D30/08 , B60C17/048 , B60C2019/006 , Y10T152/10594
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