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公开(公告)号：US2117551A
公开(公告)日：1938-05-17
申请号：US11954837
申请日：1937-01-08
Applicant: JOSEPH FORKOIS , HAROLD FORKOIS
Inventor： JOSEPH FORKOIS , HAROLD FORKOIS
IPC: F01L1/28
CPC classification number: F01L1/28
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