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公开(公告)号：US3451457A
公开(公告)日：1969-06-24
申请号：US3451457D
申请日：1967-07-17
Applicant: KRONPRINZ AG
Inventor： LEYER GUNTER
CPC classification number: B60B11/10 , B60C17/04 , B60C17/042
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