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公开(公告)号：US1500480A
公开(公告)日：1924-07-08
申请号：US54321122
申请日：1922-03-13
Applicant: AUGUST ZICHMAN
Inventor： AUGUST ZICHMAN
IPC: B62K25/16
CPC classification number: B62K25/16 , B62K2201/04
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