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公开(公告)号：US2078213A
公开(公告)日：1937-04-20
申请号：US4233035
申请日：1935-09-26
Applicant: MARTIN ROY L
Inventor： MARTIN ROY L
IPC: B62K25/14
CPC classification number: B62K25/14 , B62K2201/04
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