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公开(公告)号：US2243124A
公开(公告)日：1941-05-27
申请号：US25739639
申请日：1939-02-20
Applicant: ROCK OIA MFG CORP
Inventor： ROCKOLA DAVID C
IPC: B62K25/16
CPC classification number: B62K25/16 , B62K2201/04
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