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公开(公告)号：US2837815A
公开(公告)日：1958-06-10
申请号：US38524053
申请日：1953-10-09
Applicant: ROBERT A WIRTH , LEONARD E HARRIS
Inventor： SCHUMANN HENRY A
IPC: B60B35/10
CPC classification number: B60B27/0026 , B60B35/1027 , B60B35/1081 , B60B2310/305 , B60B2310/306 , B60B2340/50 , B60B2900/112 , B60B2900/531 , B60Y2200/221 , Y10T29/53896
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