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公开(公告)号：US2670218A
公开(公告)日：1954-02-23
申请号：US30169452
申请日：1952-07-30
Applicant: ALFRED KREIDLER
Inventor： SIEGFRIED ROKAHR
IPC: B62K25/06
CPC classification number: B62K25/06 , B62K2201/04
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