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公开(公告)号：US2976056A
公开(公告)日：1961-03-21
申请号：US73983958
申请日：1958-06-04
Applicant: HENRY JOHN D
Inventor： HENRY JOHN D
IPC: B62K25/14
CPC classification number: B62K25/14 , B62K2201/04
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