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公开(公告)号：US2428148A
公开(公告)日：1947-09-30
申请号：US53973944
申请日：1944-06-10
Applicant: JACK FRODSHAM
Inventor： LESLIE DAWSON WILLIAM
IPC: B62K25/08
CPC classification number: B62K25/08 , B62K2201/04
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