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公开(公告)号：US2819909A
公开(公告)日：1958-01-14
申请号：US47999955
申请日：1955-01-05
Applicant: CALUNDAN RAYMOND H
Inventor： CALUNDAN RAYMOND H
IPC: B60B35/10
CPC classification number: B60B35/003 , B60B35/1009 , B60B35/1081 , B60B2310/302 , B60B2310/305 , B60B2900/112 , B60B2900/115 , B60Y2200/221
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